CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>London Naval Treaty - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy", "wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"37ae0219-0970-46d7-9fde-91f376af7ce3","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"London_Naval_Treaty","wgTitle":"London Naval Treaty","wgCurRevisionId":1253746275,"wgRevisionId":1253746275,"wgArticleId":214316,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Articles with short description","Short description is different from Wikidata","Use dmy dates from May 2017","Use British English from May 2017","All articles with unsourced statements","Articles with unsourced statements from February 2023","1930 in France","1930 in Italy","1930 in Japan","1930 in London","1930 in the United Kingdom","Treaties concluded in 1930","April 1930 events","United States Navy in the 20th century","1930 in military history", "20th-century military history of the United Kingdom","Arms control treaties","Naval treaties","British defence policymaking","History of the French Navy","History of the Royal Navy","Imperial Japanese Navy","Interwar-period treaties","Japan–United States relations","Naval history of Italy","Naval history of Japan","Treaties of the Empire of Japan","Treaties of the French Third Republic","Treaties of the Kingdom of Italy (1861–1946)","Treaties of the United Kingdom","Treaties of the United States","Victor Emmanuel III","Ramsay MacDonald","Presidency of Herbert Hoover","George V","Hirohito"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"London_Naval_Treaty","wgRelevantArticleId":214316,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}}}, "wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":10000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q704536","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready", "user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","mediawiki.page.media","site","mediawiki.page.ready","jquery.makeCollapsible","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface", "ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/3/3a/London_Naval_Conference_1930.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="924"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/3/3a/London_Naval_Conference_1930.jpg"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="616"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/3/3a/London_Naval_Conference_1930.jpg/640px-London_Naval_Conference_1930.jpg"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="493"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="London Naval Treaty - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//en.m.wikipedia.org/wiki/London_Naval_Treaty"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=London_Naval_Treaty&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/London_Naval_Treaty"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom feed" href="/w/index.php?title=Special:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-London_Naval_Treaty rootpage-London_Naval_Treaty skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-contents" class="mw-list-item"><a href="/wiki/Wikipedia:Contents" title="Guides to browsing Wikipedia"><span>Contents</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Current_events" title="Articles related to current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" title="Learn how to edit Wikipedia"><span>Learn to edit</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Community_portal" title="The hub for editors"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes to Wikipedia [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_upload_wizard" title="Add images or other media for use on Wikipedia"><span>Upload file</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="The Free Encyclopedia" src="/static/images/mobile/copyright/wikipedia-tagline-en.svg" width="117" height="13" style="width: 7.3125em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&returnto=London+Naval+Treaty" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&returnto=London+Naval+Treaty" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Log in and more options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=London+Naval+Treaty" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&returnto=London+Naval+Treaty" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-Conference" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Conference"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Conference</span> </div> </a> <ul id="toc-Conference-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Terms" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Terms"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Terms</span> </div> </a> <ul id="toc-Terms-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Aftermath" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Aftermath"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Aftermath</span> </div> </a> <ul id="toc-Aftermath-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Further_reading" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Further_reading"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Further reading</span> </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">London Naval Treaty</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 20 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-20" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">20 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/London_d%C9%99niz_konfrans%C4%B1_(1930)" title="London dəniz konfransı (1930) – Azerbaijani" lang="az" hreflang="az" data-title="London dəniz konfransı (1930)" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Lond%C3%BDnsk%C3%A1_konference" title="Londýnská konference – Czech" lang="cs" hreflang="cs" data-title="Londýnská konference" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Londoner_Flottenvertrag" title="Londoner Flottenvertrag – German" lang="de" hreflang="de" data-title="Londoner Flottenvertrag" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Conferencia_Naval_de_Londres" title="Conferencia Naval de Londres – Spanish" lang="es" hreflang="es" data-title="Conferencia Naval de Londres" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%DB%8C%D9%85%D8%A7%D9%86_%D8%AF%D8%B1%DB%8C%D8%A7%DB%8C%DB%8C_%D9%84%D9%86%D8%AF%D9%86" title="پیمان دریایی لندن – Persian" lang="fa" hreflang="fa" data-title="پیمان دریایی لندن" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Trait%C3%A9_naval_de_Londres" title="Traité naval de Londres – French" lang="fr" hreflang="fr" data-title="Traité naval de Londres" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%9F%B0%EB%8D%98_%ED%95%B4%EA%B5%B0_%EA%B5%B0%EC%B6%95_%ED%9A%8C%EB%8B%B4" title="런던 해군 군축 회담 – Korean" lang="ko" hreflang="ko" data-title="런던 해군 군축 회담" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Trattato_navale_di_Londra" title="Trattato navale di Londra – Italian" lang="it" hreflang="it" data-title="Trattato navale di Londra" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Perjanjian_Tentera_Laut_London" title="Perjanjian Tentera Laut London – Malay" lang="ms" hreflang="ms" data-title="Perjanjian Tentera Laut London" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Verdrag_van_Londen_(1930)" title="Verdrag van Londen (1930) – Dutch" lang="nl" hreflang="nl" data-title="Verdrag van Londen (1930)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%AD%E3%83%B3%E3%83%89%E3%83%B3%E6%B5%B7%E8%BB%8D%E8%BB%8D%E7%B8%AE%E4%BC%9A%E8%AD%B0" title="ロンドン海軍軍縮会議 – Japanese" lang="ja" hreflang="ja" data-title="ロンドン海軍軍縮会議" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Traktat_londy%C5%84ski_(1930)" title="Traktat londyński (1930) – Polish" lang="pl" hreflang="pl" data-title="Traktat londyński (1930)" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Tratado_Naval_de_Londres" title="Tratado Naval de Londres – Portuguese" lang="pt" hreflang="pt" data-title="Tratado Naval de Londres" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9B%D0%BE%D0%BD%D0%B4%D0%BE%D0%BD%D1%81%D0%BA%D0%B8%D0%B9_%D0%BC%D0%BE%D1%80%D1%81%D0%BA%D0%BE%D0%B9_%D0%B4%D0%BE%D0%B3%D0%BE%D0%B2%D0%BE%D1%80_(1930)" title="Лондонский морской договор (1930) – Russian" lang="ru" hreflang="ru" data-title="Лондонский морской договор (1930)" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Lond%C3%BDnska_n%C3%A1morn%C3%A1_zmluva" title="Londýnska námorná zmluva – Slovak" lang="sk" hreflang="sk" data-title="Londýnska námorná zmluva" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Lontoon_laivastosopimus" title="Lontoon laivastosopimus – Finnish" lang="fi" hreflang="fi" data-title="Lontoon laivastosopimus" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AA%E0%B8%99%E0%B8%98%E0%B8%B4%E0%B8%AA%E0%B8%B1%E0%B8%8D%E0%B8%8D%E0%B8%B2%E0%B8%A7%E0%B9%88%E0%B8%B2%E0%B8%94%E0%B9%89%E0%B8%A7%E0%B8%A2%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%88%E0%B8%B3%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B9%81%E0%B8%A5%E0%B8%B0%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A5%E0%B8%94%E0%B8%AD%E0%B8%B2%E0%B8%A7%E0%B8%B8%E0%B8%98%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B8%A3%E0%B8%B1%E0%B8%90%E0%B8%99%E0%B8%B2%E0%B8%A7%E0%B8%B5" title="สนธิสัญญาว่าด้วยการจำกัดและการลดอาวุธทางรัฐนาวี – Thai" lang="th" hreflang="th" data-title="สนธิสัญญาว่าด้วยการจำกัดและการลดอาวุธทางรัฐนาวี" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9B%D0%BE%D0%BD%D0%B4%D0%BE%D0%BD%D1%81%D1%8C%D0%BA%D0%B8%D0%B9_%D0%BC%D0%BE%D1%80%D1%81%D1%8C%D0%BA%D0%B8%D0%B9_%D0%B4%D0%BE%D0%B3%D0%BE%D0%B2%D1%96%D1%80_(1930)" title="Лондонський морський договір (1930) – Ukrainian" lang="uk" hreflang="uk" data-title="Лондонський морський договір (1930)" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Hi%E1%BB%87p_%C6%B0%E1%BB%9Bc_H%E1%BA%A3i_qu%C3%A2n_Lu%C3%A2n_%C4%90%C3%B4n" title="Hiệp ước Hải quân Luân Đôn – Vietnamese" lang="vi" hreflang="vi" data-title="Hiệp ước Hải quân Luân Đôn" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E4%BC%A6%E6%95%A6%E6%B5%B7%E5%86%9B%E6%9D%A1%E7%BA%A6" title="伦敦海军条约 – Chinese" lang="zh" hreflang="zh" data-title="伦敦海军条约" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q704536#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/London_Naval_Treaty" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:London_Naval_Treaty" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/London_Naval_Treaty"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=London_Naval_Treaty&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=London_Naval_Treaty&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/London_Naval_Treaty"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=London_Naval_Treaty&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=London_Naval_Treaty&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/London_Naval_Treaty" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/London_Naval_Treaty" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=London_Naval_Treaty&oldid=1253746275" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=London_Naval_Treaty&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=London_Naval_Treaty&id=1253746275&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FLondon_Naval_Treaty"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FLondon_Naval_Treaty"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=London_Naval_Treaty&action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=London_Naval_Treaty&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:London_Naval_Conference" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q704536" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">1930 international arms control treaty</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For the 1936 treaty, see <a href="/wiki/Second_London_Naval_Treaty" title="Second London Naval Treaty">Second London Naval Treaty</a>.</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vevent"><caption class="infobox-title" style="font-size:125%;">London Naval Treaty</caption><tbody><tr><th colspan="2" class="infobox-above description" style="font-size: 100%; background-color:#ededed">International Treaty for the Limitation and Reduction of Naval Armament</th></tr><tr><td colspan="2" class="infobox-image" style="border-bottom:1px #aaa solid;padding-top:0.4em;"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:London_Naval_Conference_1930.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/London_Naval_Conference_1930.jpg/300px-London_Naval_Conference_1930.jpg" decoding="async" width="300" height="231" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/London_Naval_Conference_1930.jpg/450px-London_Naval_Conference_1930.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3a/London_Naval_Conference_1930.jpg/600px-London_Naval_Conference_1930.jpg 2x" data-file-width="740" data-file-height="570" /></a></span><div class="infobox-caption" style="padding:0.35em 0.35em 0.25em;line-height:1.25em;">Members of the United States delegation en route to the conference, January 1930</div></td></tr><tr><th scope="row" class="infobox-label">Type</th><td class="infobox-data"><a href="/wiki/Arms_control" title="Arms control">Arms control</a></td></tr><tr><th scope="row" class="infobox-label">Context</th><td class="infobox-data plainlist"><a href="/wiki/World_War_I" title="World War I">World War I</a></td></tr><tr><th scope="row" class="infobox-label">Signed</th><td class="infobox-data">22 April 1930<span style="display:none"> (<span class="bday dtstart published updated itvstart">1930-04-22</span>)</span></td></tr><tr><th scope="row" class="infobox-label">Location</th><td class="infobox-data location"><a href="/wiki/London" title="London">London</a></td></tr><tr><th scope="row" class="infobox-label">Effective</th><td class="infobox-data">27 October 1930<span style="display:none"> (<span class="bday dtstart published updated itvstart">1930-10-27</span>)</span></td></tr><tr><th scope="row" class="infobox-label">Expiration</th><td class="infobox-data">31 December 1936<span style="display:none"> (<span class="dtend itvend">1936-12-31</span>)</span> (Except for Part IV)</td></tr><tr><th scope="row" class="infobox-label">Negotiators</th><td class="infobox-data plainlist"> <ul><li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/United_States" title="United States"><img alt="United States" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Flag_of_the_United_States_%281912-1959%29.svg/23px-Flag_of_the_United_States_%281912-1959%29.svg.png" decoding="async" width="23" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Flag_of_the_United_States_%281912-1959%29.svg/35px-Flag_of_the_United_States_%281912-1959%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Flag_of_the_United_States_%281912-1959%29.svg/46px-Flag_of_the_United_States_%281912-1959%29.svg.png 2x" data-file-width="1235" data-file-height="650" /></a></span></span> <a href="/wiki/Henry_L._Stimson" title="Henry L. Stimson">Henry L. Stimson</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/British_Empire" title="British Empire"><img alt="British Empire" src="//upload.wikimedia.org/wikipedia/en/thumb/a/ae/Flag_of_the_United_Kingdom.svg/23px-Flag_of_the_United_Kingdom.svg.png" decoding="async" width="23" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/a/ae/Flag_of_the_United_Kingdom.svg/35px-Flag_of_the_United_Kingdom.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/a/ae/Flag_of_the_United_Kingdom.svg/46px-Flag_of_the_United_Kingdom.svg.png 2x" data-file-width="1200" data-file-height="600" /></a></span></span> <a href="/wiki/Ramsay_MacDonald" title="Ramsay MacDonald">Ramsay MacDonald</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/French_Third_Republic" title="French Third Republic"><img alt="French Third Republic" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Flag_of_France.svg/23px-Flag_of_France.svg.png" decoding="async" width="23" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Flag_of_France.svg/35px-Flag_of_France.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Flag_of_France.svg/45px-Flag_of_France.svg.png 2x" data-file-width="900" data-file-height="600" /></a></span></span> <a href="/wiki/Andr%C3%A9_Tardieu" title="André Tardieu">André Tardieu</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/Kingdom_of_Italy" title="Kingdom of Italy"><img alt="Kingdom of Italy" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Flag_of_Italy_%281861-1946%29_crowned.svg/23px-Flag_of_Italy_%281861-1946%29_crowned.svg.png" decoding="async" width="23" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Flag_of_Italy_%281861-1946%29_crowned.svg/35px-Flag_of_Italy_%281861-1946%29_crowned.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Flag_of_Italy_%281861-1946%29_crowned.svg/45px-Flag_of_Italy_%281861-1946%29_crowned.svg.png 2x" data-file-width="1500" data-file-height="1000" /></a></span></span> <a href="/wiki/Dino_Grandi" title="Dino Grandi">Dino Grandi</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/Empire_of_Japan" title="Empire of Japan"><img alt="Empire of Japan" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Flag_of_Japan_%281870%E2%80%931999%29.svg/22px-Flag_of_Japan_%281870%E2%80%931999%29.svg.png" decoding="async" width="22" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Flag_of_Japan_%281870%E2%80%931999%29.svg/33px-Flag_of_Japan_%281870%E2%80%931999%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Flag_of_Japan_%281870%E2%80%931999%29.svg/43px-Flag_of_Japan_%281870%E2%80%931999%29.svg.png 2x" data-file-width="1000" data-file-height="700" /></a></span></span> <a href="/wiki/Wakatsuki_Reijir%C5%8D" title="Wakatsuki Reijirō">Wakatsuki Reijirō</a></li></ul> </td></tr><tr><th scope="row" class="infobox-label">Signatories</th><td class="infobox-data attendee plainlist"> <ul><li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/United_States" title="United States"><img alt="United States" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Flag_of_the_United_States_%281912-1959%29.svg/23px-Flag_of_the_United_States_%281912-1959%29.svg.png" decoding="async" width="23" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Flag_of_the_United_States_%281912-1959%29.svg/35px-Flag_of_the_United_States_%281912-1959%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Flag_of_the_United_States_%281912-1959%29.svg/46px-Flag_of_the_United_States_%281912-1959%29.svg.png 2x" data-file-width="1235" data-file-height="650" /></a></span></span> <a href="/wiki/Herbert_Hoover" title="Herbert Hoover">Herbert Hoover</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/British_Empire" title="British Empire"><img alt="British Empire" src="//upload.wikimedia.org/wikipedia/en/thumb/a/ae/Flag_of_the_United_Kingdom.svg/23px-Flag_of_the_United_Kingdom.svg.png" decoding="async" width="23" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/a/ae/Flag_of_the_United_Kingdom.svg/35px-Flag_of_the_United_Kingdom.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/a/ae/Flag_of_the_United_Kingdom.svg/46px-Flag_of_the_United_Kingdom.svg.png 2x" data-file-width="1200" data-file-height="600" /></a></span></span> <a href="/wiki/George_V" title="George V">George V</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/French_Third_Republic" title="French Third Republic"><img alt="French Third Republic" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Flag_of_France.svg/23px-Flag_of_France.svg.png" decoding="async" width="23" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Flag_of_France.svg/35px-Flag_of_France.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Flag_of_France.svg/45px-Flag_of_France.svg.png 2x" data-file-width="900" data-file-height="600" /></a></span></span> <a href="/wiki/Gaston_Doumergue" title="Gaston Doumergue">Gaston Doumergue</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/Kingdom_of_Italy" title="Kingdom of Italy"><img alt="Kingdom of Italy" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Flag_of_Italy_%281861-1946%29_crowned.svg/23px-Flag_of_Italy_%281861-1946%29_crowned.svg.png" decoding="async" width="23" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Flag_of_Italy_%281861-1946%29_crowned.svg/35px-Flag_of_Italy_%281861-1946%29_crowned.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Flag_of_Italy_%281861-1946%29_crowned.svg/45px-Flag_of_Italy_%281861-1946%29_crowned.svg.png 2x" data-file-width="1500" data-file-height="1000" /></a></span></span> <a href="/wiki/Victor_Emmanuel_III_of_Italy" class="mw-redirect" title="Victor Emmanuel III of Italy">Victor Emmanuel III</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/Empire_of_Japan" title="Empire of Japan"><img alt="Empire of Japan" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Flag_of_Japan_%281870%E2%80%931999%29.svg/22px-Flag_of_Japan_%281870%E2%80%931999%29.svg.png" decoding="async" width="22" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Flag_of_Japan_%281870%E2%80%931999%29.svg/33px-Flag_of_Japan_%281870%E2%80%931999%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Flag_of_Japan_%281870%E2%80%931999%29.svg/43px-Flag_of_Japan_%281870%E2%80%931999%29.svg.png 2x" data-file-width="1000" data-file-height="700" /></a></span></span> <a href="/wiki/Hirohito" title="Hirohito">Hirohito</a></li></ul> </td></tr><tr><th scope="row" class="infobox-label">Parties</th><td class="infobox-data plainlist"> <ul><li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Flag_of_the_United_States_%281912-1959%29.svg/23px-Flag_of_the_United_States_%281912-1959%29.svg.png" decoding="async" width="23" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Flag_of_the_United_States_%281912-1959%29.svg/35px-Flag_of_the_United_States_%281912-1959%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Flag_of_the_United_States_%281912-1959%29.svg/46px-Flag_of_the_United_States_%281912-1959%29.svg.png 2x" data-file-width="1235" data-file-height="650" /></span></span> </span><a href="/wiki/United_States" title="United States">United States</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/a/ae/Flag_of_the_United_Kingdom.svg/23px-Flag_of_the_United_Kingdom.svg.png" decoding="async" width="23" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/a/ae/Flag_of_the_United_Kingdom.svg/35px-Flag_of_the_United_Kingdom.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/a/ae/Flag_of_the_United_Kingdom.svg/46px-Flag_of_the_United_Kingdom.svg.png 2x" data-file-width="1200" data-file-height="600" /></span></span> </span><a href="/wiki/British_Empire" title="British Empire">British Empire</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Flag_of_France.svg/23px-Flag_of_France.svg.png" decoding="async" width="23" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Flag_of_France.svg/35px-Flag_of_France.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Flag_of_France.svg/45px-Flag_of_France.svg.png 2x" data-file-width="900" data-file-height="600" /></span></span> </span><a href="/wiki/French_Third_Republic" title="French Third Republic">French Third Republic</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Flag_of_Italy_%281861-1946%29_crowned.svg/23px-Flag_of_Italy_%281861-1946%29_crowned.svg.png" decoding="async" width="23" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Flag_of_Italy_%281861-1946%29_crowned.svg/35px-Flag_of_Italy_%281861-1946%29_crowned.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Flag_of_Italy_%281861-1946%29_crowned.svg/45px-Flag_of_Italy_%281861-1946%29_crowned.svg.png 2x" data-file-width="1500" data-file-height="1000" /></span></span> </span><a href="/wiki/Kingdom_of_Italy" title="Kingdom of Italy">Kingdom of Italy</a></li> <li><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Flag_of_Japan_%281870%E2%80%931999%29.svg/22px-Flag_of_Japan_%281870%E2%80%931999%29.svg.png" decoding="async" width="22" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Flag_of_Japan_%281870%E2%80%931999%29.svg/33px-Flag_of_Japan_%281870%E2%80%931999%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Flag_of_Japan_%281870%E2%80%931999%29.svg/43px-Flag_of_Japan_%281870%E2%80%931999%29.svg.png 2x" data-file-width="1000" data-file-height="700" /></span></span> </span><a href="/wiki/Empire_of_Japan" title="Empire of Japan">Empire of Japan</a></li></ul> </td></tr><tr><th scope="row" class="infobox-label">Depositary</th><td class="infobox-data"><a href="/wiki/League_of_Nations" title="League of Nations">League of Nations</a></td></tr><tr><th scope="row" class="infobox-label">Language</th><td class="infobox-data"><a href="/wiki/English_language" title="English language">English</a></td></tr></tbody></table> <p>The <b>London Naval Treaty</b>, officially the <b>Treaty for the Limitation and Reduction of Naval Armament</b>, was an agreement between the <a href="/wiki/United_Kingdom" title="United Kingdom">United Kingdom</a>, <a href="/wiki/Empire_of_Japan" title="Empire of Japan">Japan</a>, <a href="/wiki/French_Third_Republic" title="French Third Republic">France</a>, <a href="/wiki/Fascist_Italy_(1922%E2%80%931943)" class="mw-redirect" title="Fascist Italy (1922–1943)">Italy</a>, and the <a href="/wiki/United_States" title="United States">United States</a> that was signed on 22 April 1930. Seeking to address issues not covered in the 1922 <a href="/wiki/Washington_Naval_Treaty" title="Washington Naval Treaty">Washington Naval Treaty</a>, which had created <a href="/wiki/Tonnage" title="Tonnage">tonnage</a> limits for each nation's <a href="/wiki/Surface_combatant" title="Surface combatant">surface warships</a>, the new agreement regulated <a href="/wiki/Submarine_warfare" title="Submarine warfare">submarine warfare</a>, further controlled cruisers and destroyers, and limited naval shipbuilding. </p><p>Ratifications were exchanged in London on 27 October 1930, and the treaty went into effect on the same day, but it was largely ineffective.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>The treaty was registered in <i><a href="/wiki/Treaty_series#League_of_Nations" title="Treaty series">League of Nations Treaty Series</a></i> on 6 February 1931.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Conference">Conference</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=London_Naval_Treaty&action=edit&section=1" title="Edit section: Conference"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Londonnavalconference2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/Londonnavalconference2.jpg/220px-Londonnavalconference2.jpg" decoding="async" width="220" height="154" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/Londonnavalconference2.jpg/330px-Londonnavalconference2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/82/Londonnavalconference2.jpg/440px-Londonnavalconference2.jpg 2x" data-file-width="1429" data-file-height="998" /></a><figcaption>Menu and List of Official Toasts at formal dinner which opened the London Naval Conference of 1930</figcaption></figure> <p>The signing of the treaty remains inextricably intertwined with the ongoing negotiations, which began before the official start of the London Naval Conference of 1930, evolved throughout the progress of the official conference schedule, and continued for years afterward. </p> <div class="mw-heading mw-heading2"><h2 id="Terms">Terms</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=London_Naval_Treaty&action=edit&section=2" title="Edit section: Terms"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The treaty was seen as an extension of the conditions agreed in the <a href="/wiki/Washington_Naval_Treaty" title="Washington Naval Treaty">Washington Naval Treaty</a>, an effort to prevent a naval <a href="/wiki/Arms_race" title="Arms race">arms race</a> after <a href="/wiki/World_War_I" title="World War I">World War I</a>. </p><p>The conference was a revival of the efforts that had gone into the 1927 <a href="/wiki/Geneva_Naval_Conference" title="Geneva Naval Conference">Geneva Naval Conference</a> at which the various negotiators had been unable to reach agreement because of bad feelings between the British and the American governments. The problem may have initially arisen from discussions held between US President President <a href="/wiki/Herbert_Hoover" title="Herbert Hoover">Herbert Hoover</a> and UK Prime Minister <a href="/wiki/Ramsay_MacDonald" title="Ramsay MacDonald">Ramsay MacDonald</a> at <a href="/wiki/Rapidan_Camp" title="Rapidan Camp">Rapidan Camp</a> in 1929, but a range of factors affected tensions, which were exacerbated by the other nations at the conference.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>Under the treaty, the <a href="/wiki/Standard_displacement" class="mw-redirect" title="Standard displacement">standard displacement</a> of submarines was restricted to 2,000 tons, with each major power being allowed to keep three submarines of up to 2,800 tons except that France was allowed to keep one. The submarine gun caliber was also restricted for the first time to 6.1 in (155 mm) with one exception, an already-constructed French submarine being allowed to retain 8 in (203 mm) guns. That put an end to the 'big-gun' submarine concept pioneered by the British <a href="/wiki/British_M_class_submarine" class="mw-redirect" title="British M class submarine">M class</a> and the French <a href="/wiki/Surcouf_(N_N_3)" class="mw-redirect" title="Surcouf (N N 3)"><i>Surcouf</i></a>. </p><p>The treaty also established a distinction between cruisers armed with guns up to 6.1 in (155 mm) ("<a href="/wiki/Light_cruiser" title="Light cruiser">light cruisers</a>" in unofficial parlance) from those with guns up to 8 in (203 mm) ("<a href="/wiki/Heavy_cruiser" title="Heavy cruiser">heavy cruisers</a>"). The number of heavy cruisers was limited: Britain was permitted 15 with a total tonnage of 147,000, the Americans were permitted 18, totalling 180,000, and the Japanese were permitted 12, totalling 108,000 tons. For light cruisers, no numbers were specified but tonnage limits were 143,500 tons for the Americans, 192,200 tons for the British, and 100,450 tons for the Japanese.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>Destroyer tonnage was also limited, with destroyers being defined as ships of less than 1,850 tons and guns up to 5.1 in (130 mm). The Americans and the British were permitted up to 150,000 tons and Japan 105,500 tons. </p><p>Article 22 relating to submarine warfare declared <a href="/wiki/International_law" title="International law">international law</a> applied to them as to surface vessels. Also, merchant vessels that demonstrated "persistent refusal to stop" or "active resistance" could be sunk without the ship's crew and passengers being first delivered to a "place of safety."<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>Article 8 outlined smaller surface combatants. Ships between 600 and 2,000 tons, with guns not exceeding 6 in (152 mm) with a maximum of four gun mounts above 3 in (76 mm) without torpedo armament and up to 20 kn (37 km/h), were exempt from tonnage limitations. The maximum specifications were designed around the French <a href="/wiki/Bougainville-class_aviso" title="Bougainville-class aviso">Bougainville-class avisos</a>, which were in construction at the time.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (February 2023)">citation needed</span></a></i>]</sup> </p><p>Warships under 600 tons were also completely exempt. That led to creative attempts to use the unlimited nature of the exemption with the Italian <a href="/wiki/Spica-class_torpedo_boat" title="Spica-class torpedo boat">Spica-class torpedo boats</a>, Japanese <a href="/wiki/Chidori-class_torpedo_boat" title="Chidori-class torpedo boat">Chidori-class torpedo boats</a>, French <a href="/wiki/La_Melpom%C3%A8ne-class_torpedo_boat" title="La Melpomène-class torpedo boat">La Melpomène-class torpedo boats</a> and British <a href="/wiki/Kingfisher-class_sloop" title="Kingfisher-class sloop">Kingfisher-class sloops</a>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Aftermath">Aftermath</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=London_Naval_Treaty&action=edit&section=3" title="Edit section: Aftermath"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The next phase of attempted naval arms control was the <a href="/wiki/Second_Geneva_Naval_Conference" class="mw-redirect" title="Second Geneva Naval Conference">Second Geneva Naval Conference</a> in 1932. Active negotiations among the other treaty signatories continued during the following years.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>That was followed by the <a href="/wiki/Second_London_Naval_Treaty" title="Second London Naval Treaty">Second London Naval Treaty</a> of 1936. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=London_Naval_Treaty&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Treaty_for_the_Limitation_of_Naval_Armament" title="Treaty for the Limitation of Naval Armament">Treaty for the Limitation of Naval Armament</a></li> <li><a href="/wiki/Washington_Naval_Treaty" title="Washington Naval Treaty">Washington Naval Treaty</a></li> <li><a href="/wiki/Second_London_Naval_Treaty" title="Second London Naval Treaty">Second London Naval Treaty</a> – List of treaties signed in London.</li> <li><a href="/wiki/Treaty_of_London_(disambiguation)" class="mw-redirect mw-disambig" title="Treaty of London (disambiguation)">Treaty of London</a> – List of treaties signed in London.</li> <li><a href="/wiki/May_15_Incident" class="mw-redirect" title="May 15 Incident">May 15 Incident</a> – attempted coup in Japan</li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=London_Naval_Treaty&action=edit&section=5" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text">John Maurer, and Christopher Bell, eds. <i>At the crossroads between peace and war: the London Naval Conference in 1930</i> (Naval Institute Press, 2014).</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><i>League of Nations Treaty Series</i>, vol. 112, pp. 66–96.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">Steiner, Zara S. (2005). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=rJ9JJIVmFpkC&q=The+Lights+that+Failed:+European+International+History+1919-1933"><i>The Lights that Failed: European International History 1919–1933,</i> pp. 587</a>–591.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFU.S._Department_of_State" class="citation web cs1">U.S. Department of State. <a rel="nofollow" class="external text" href="https://history.state.gov/milestones/1921-1936/london-naval-conf">"The London Naval Conference, 1930"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">20 March</span> 2014</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=The+London+Naval+Conference%2C+1930&rft.au=U.S.+Department+of+State&rft_id=https%3A%2F%2Fhistory.state.gov%2Fmilestones%2F1921-1936%2Flondon-naval-conf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALondon+Naval+Treaty" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20120731025604/http://www.icrc.org/ihl.nsf/FULL/310?OpenDocument">"Treaty for the Limitation and Reduction of Naval Armaments, (Part IV, Art. 22, relating to submarine warfare). London, 22 April 1930"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.icrc.org/ihl.nsf/FULL/310?OpenDocument">the original</a> on 31 July 2012<span class="reference-accessdate">. Retrieved <span class="nowrap">13 March</span> 2006</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Treaty+for+the+Limitation+and+Reduction+of+Naval+Armaments%2C+%28Part+IV%2C+Art.+22%2C+relating+to+submarine+warfare%29.+London%2C+22+April+1930&rft_id=http%3A%2F%2Fwww.icrc.org%2Fihl.nsf%2FFULL%2F310%3FOpenDocument&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALondon+Naval+Treaty" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="Warship_2016" class="citation book cs1">John, Jordan (13 September 2016). <i>Warship 2016</i>. Conway. pp. 8–10. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-84486-326-6" title="Special:BookSources/978-1-84486-326-6"><bdi>978-1-84486-326-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Warship+2016&rft.pages=8-10&rft.pub=Conway&rft.date=2016-09-13&rft.isbn=978-1-84486-326-6&rft.aulast=John&rft.aufirst=Jordan&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALondon+Naval+Treaty" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.nytimes.com/1934/06/09/archives/naval-men-see-hull-on-the-london-talks-admiral-leigh-and-commander.html">"Naval Men See Hull on the London Talks; Admiral Leigh and Commander Wilkinson Will Sail Today to Act as Advisers"</a>. <i><a href="/wiki/The_New_York_Times" title="The New York Times">New York Times</a>.</i> 9 June 1934.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=London_Naval_Treaty&action=edit&section=6" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBaker1989" class="citation journal cs1">Baker, A. D. III (1989). "Battlefleets and Diplomacy: Naval Disarmament Between the Two World Wars". <i>Warship International</i>. <b>XXVI</b> (3): 217–255. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0043-0374">0043-0374</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Warship+International&rft.atitle=Battlefleets+and+Diplomacy%3A+Naval+Disarmament+Between+the+Two+World+Wars&rft.volume=XXVI&rft.issue=3&rft.pages=217-255&rft.date=1989&rft.issn=0043-0374&rft.aulast=Baker&rft.aufirst=A.+D.+III&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALondon+Naval+Treaty" class="Z3988"></span></li> <li>Dingman, Roger. <i>Power in the Pacific: The Origins of Naval Arms Limitation, 1914–1922</i> (1976)</li> <li>Goldstein, Erik, and John H. Maurer, eds. <i>The Washington Conference, 1921–22: Naval Rivalry, East Asian Stability and the Road to Pearl Harbor</i> (Taylor & Francis, 1994).</li> <li>Maurer, John, and Christopher Bell, eds. <i>At the Crossroads between Peace and War: The London Naval Conference in 1930</i> (Naval Institute Press, 2014).</li> <li>Redford, Duncan. "Collective Security and Internal Dissent: The Navy League's Attempts to Develop a New Policy towards British Naval Power between 1919 and the 1922 Washington Naval Treaty." <i>History</i> 96.321 (2011): 48–67.</li> <li>Roskill, Stephen. <i>Naval Policy Between Wars. Volume I: The Period of Anglo-American Antagonism 1919–1929</i> (Seaforth Publishing, 2016).</li> <li>Steiner, Zara S. (2005). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=rJ9JJIVmFpkC&q=The+Lights+that+Failed:+European+International+History+1919-1933"><i>The Lights that Failed: European International History 1919–1933.</i></a> Oxford: <a href="/wiki/Oxford_University_Press" title="Oxford University Press">Oxford University Press</a>. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-19-822114-2" title="Special:BookSources/978-0-19-822114-2">978-0-19-822114-2</a>; <a rel="nofollow" class="external text" href="http://www.worldcat.org/wcpa/oclc/58853793">OCLC 58853793</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=London_Naval_Treaty&action=edit&section=7" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.navweaps.com/index_tech/tech-089_London_Treaty_1930.php">Text of the treaty</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Interwar_Naval_Arms_Limitation" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Interwar_Naval_Arms_Limitation" title="Template:Interwar Naval Arms Limitation"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Interwar_Naval_Arms_Limitation" title="Template talk:Interwar Naval Arms Limitation"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Interwar_Naval_Arms_Limitation" title="Special:EditPage/Template:Interwar Naval Arms Limitation"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Interwar_Naval_Arms_Limitation" style="font-size:114%;margin:0 4em">Interwar Naval Arms Limitation</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Washington_Naval_Treaty" title="Washington Naval Treaty">Washington Treaty (1922)</a></li> <li><a href="/wiki/Geneva_Naval_Conference" title="Geneva Naval Conference">Geneva Conference (1927)</a></li> <li><a class="mw-selflink selflink">London Treaty (1930)</a></li> <li><a href="/wiki/Conference_for_the_Reduction_and_Limitation_of_Armaments" title="Conference for the Reduction and Limitation of Armaments">Conference for the Reduction and Limitation of Armaments</a></li> <li><a href="/wiki/Anglo-German_Naval_Agreement" title="Anglo-German Naval Agreement">Anglo-German Agreement (1935)</a></li> <li><a href="/wiki/Second_London_Naval_Treaty" title="Second London Naval Treaty">London Treaty (1936)</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Herbert_Hoover" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Herbert_Hoover" title="Template:Herbert Hoover"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Herbert_Hoover" title="Template talk:Herbert Hoover"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Herbert_Hoover" title="Special:EditPage/Template:Herbert Hoover"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Herbert_Hoover" style="font-size:114%;margin:0 4em"><a href="/wiki/Herbert_Hoover" title="Herbert Hoover">Herbert Hoover</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="nowrap"><a href="/wiki/List_of_presidents_of_the_United_States" title="List of presidents of the United States">31st</a> <a href="/wiki/President_of_the_United_States" title="President of the United States">President of the United States</a> (1929–1933)</span></li> <li><span class="nowrap">3rd <a href="/wiki/United_States_Secretary_of_Commerce" title="United States Secretary of Commerce">United States Secretary of Commerce</a> (1921–1928)</span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Presidency_of_Herbert_Hoover" title="Presidency of Herbert Hoover">Presidency</a><br />(<a href="/wiki/Timeline_of_the_Herbert_Hoover_presidency" title="Timeline of the Herbert Hoover presidency">timeline</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Presidential_transition_of_Herbert_Hoover" title="Presidential transition of Herbert Hoover">Transition</a></li> <li><a href="/wiki/Inauguration_of_Herbert_Hoover" title="Inauguration of Herbert Hoover">Inauguration</a></li> <li><a href="/wiki/Foreign_policy_of_Herbert_Hoover" title="Foreign policy of Herbert Hoover">Foreign policy</a></li> <li><a href="/wiki/Hoover_Dam" title="Hoover Dam">Hoover Dam</a></li> <li><a href="/wiki/Agricultural_Marketing_Act_of_1929" title="Agricultural Marketing Act of 1929">Agricultural Marketing Act of 1929</a> <ul><li><a href="/wiki/Federal_Farm_Board" title="Federal Farm Board">Federal Farm Board</a></li></ul></li> <li><a href="/wiki/Reapportionment_Act_of_1929" title="Reapportionment Act of 1929">Reapportionment Act of 1929</a></li> <li><a href="/wiki/Wall_Street_Crash_of_1929" class="mw-redirect" title="Wall Street Crash of 1929">Wall Street Crash of 1929</a></li> <li><a href="/wiki/Smoot%E2%80%93Hawley_Tariff_Act" title="Smoot–Hawley Tariff Act">Smoot–Hawley Tariff Act</a></li> <li><a href="/wiki/The_Star-Spangled_Banner" title="The Star-Spangled Banner">National anthem</a></li> <li><a href="/wiki/Cooperative_Funds_Act" title="Cooperative Funds Act">Economy Act of 1932</a></li> <li><a href="/wiki/Revenue_Act_of_1932" title="Revenue Act of 1932">Revenue Act of 1932</a></li> <li><a href="/wiki/Mexican_Repatriation" title="Mexican Repatriation">Mexican Repatriation</a></li> <li><a href="/wiki/Federal_Home_Loan_Bank_Act" title="Federal Home Loan Bank Act">Federal Home Loan Bank Act</a> <ul><li><a href="/wiki/Federal_Home_Loan_Bank_Board" title="Federal Home Loan Bank Board">Federal Home Loan Bank Board</a></li> <li><a href="/wiki/Federal_Home_Loan_Banks" title="Federal Home Loan Banks">Federal Home Loan Banks</a></li></ul></li> <li><a href="/wiki/Hooverville" title="Hooverville">Hooverville</a> <ul><li><a href="/wiki/Bonus_Army" title="Bonus Army">Bonus Army</a></li></ul></li> <li><a href="/wiki/Banana_Wars" title="Banana Wars">Banana Wars</a> <ul><li><a href="/wiki/United_States_occupation_of_Nicaragua" title="United States occupation of Nicaragua">U.S. occupation of Nicaragua</a></li> <li><a href="/wiki/United_States_occupation_of_Haiti" title="United States occupation of Haiti">U.S. occupation of Haiti</a></li></ul></li> <li><a class="mw-selflink selflink">London Naval Treaty</a></li> <li><a href="/wiki/Hoover_Moratorium" title="Hoover Moratorium">Hoover Moratorium</a></li> <li><a href="/wiki/Stimson_Doctrine" title="Stimson Doctrine">Stimson Doctrine</a></li> <li><a href="/wiki/Herbert_Hoover#Administration_and_cabinet" title="Herbert Hoover">Cabinet</a> <ul><li><a href="/wiki/Medicine_Ball_Cabinet" title="Medicine Ball Cabinet">Medicine Ball Cabinet</a></li> <li><a href="/wiki/Hooverball" title="Hooverball">Hooverball</a></li></ul></li> <li><a href="/wiki/1929_State_of_the_Union_Address" title="1929 State of the Union Address">State of the Union Address, 1929</a></li> <li><a href="/wiki/1930_State_of_the_Union_Address" title="1930 State of the Union Address">1930</a></li> <li><a href="/wiki/Presidential_transition_of_Franklin_D._Roosevelt" title="Presidential transition of Franklin D. Roosevelt">Presidential transition of Franklin D. Roosevelt</a></li> <li><a href="/wiki/List_of_federal_judges_appointed_by_Herbert_Hoover" title="List of federal judges appointed by Herbert Hoover">Judicial appointments</a> <ul><li><a href="/wiki/Herbert_Hoover_Supreme_Court_candidates" title="Herbert Hoover Supreme Court candidates">Supreme Court</a></li></ul></li> <li><a href="/wiki/List_of_executive_actions_by_Herbert_Hoover" title="List of executive actions by Herbert Hoover">Executive Orders</a></li> <li><a href="/wiki/Hoover_desk" title="Hoover desk">Hoover desk</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other events</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sons_of_Gwalia#History" title="Sons of Gwalia">Sons of Gwalia mine</a></li> <li><a href="/wiki/Consolidated_Zinc" title="Consolidated Zinc">Zinc Corporation</a></li> <li><a href="/wiki/Commission_for_Relief_in_Belgium" title="Commission for Relief in Belgium">Commission for Relief in Belgium</a> <ul><li><a href="/wiki/University_Foundation" title="University Foundation">University Foundation</a></li> <li><a href="/wiki/Belgian_American_Educational_Foundation" title="Belgian American Educational Foundation">Belgian American Educational Foundation</a></li></ul></li> <li><a href="/wiki/American_Relief_Administration" title="American Relief Administration">American Relief Administration</a> <ul><li><a href="/wiki/Russian_Famine_Relief_Act" title="Russian Famine Relief Act">Russian Famine Relief Act</a></li></ul></li> <li><a href="/wiki/United_States_Food_Administration" title="United States Food Administration">U.S. Food Administration</a></li> <li><a href="/wiki/Commission_for_Polish_Relief" title="Commission for Polish Relief">Commission for Polish Relief</a></li> <li><a href="/wiki/Finnish_Relief_Fund" title="Finnish Relief Fund">Finnish Relief Fund</a></li> <li><a href="/wiki/Hoover_Commission" title="Hoover Commission">Hoover Commission</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Life</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Herbert_Hoover#Family_background_and_early_life" title="Herbert Hoover">Early life</a></li> <li><a href="/wiki/Herbert_Hoover_National_Historic_Site" title="Herbert Hoover National Historic Site">Birthplace and childhood home National Historic Site</a></li> <li><a href="/wiki/Hoover%E2%80%93Minthorn_House" title="Hoover–Minthorn House">Hoover–Minthorn House</a></li> <li><a href="/wiki/Lou_Henry_Hoover_House" title="Lou Henry Hoover House">Lou Henry Hoover House</a></li> <li><a href="/wiki/Rapidan_Camp" title="Rapidan Camp">Rapidan Camp</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Legacy</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bibliography_of_Herbert_Hoover" title="Bibliography of Herbert Hoover">Bibliography</a></li> <li><a href="/wiki/Herbert_Hoover_Presidential_Library_and_Museum" title="Herbert Hoover Presidential Library and Museum">Presidential Library, Museum, and gravesite</a></li> <li><a href="/wiki/Hoover_Institution_Library_and_Archives" title="Hoover Institution Library and Archives">Hoover Institution Library and Archives</a></li> <li><a href="/wiki/Hoover_Tower" title="Hoover Tower">Hoover Tower</a></li> <li><a href="/wiki/Hoover_Institution" title="Hoover Institution">Hoover Institution</a></li> <li><a href="/wiki/Herbert_C._Hoover_Building" title="Herbert C. Hoover Building">Herbert C. Hoover Building</a></li> <li><a href="/wiki/Presidents_of_the_United_States_on_U.S._postage_stamps#Herbert_Hoover" title="Presidents of the United States on U.S. postage stamps">U.S. Postage stamp</a></li> <li><a href="/wiki/Hoover_Medal" title="Hoover Medal">Hoover Medal</a></li> <li><a href="/wiki/Hoover_Chair" title="Hoover Chair">Hoover Chair</a></li> <li><a href="/wiki/Hoover_Field" title="Hoover Field">Hoover Field</a></li> <li><i><a href="/wiki/Backstairs_at_the_White_House" title="Backstairs at the White House">Backstairs at the White House</a></i> (1979 miniseries)</li> <li><i><a href="/wiki/The_Angel_of_Pennsylvania_Avenue" title="The Angel of Pennsylvania Avenue">The Angel of Pennsylvania Avenue</a></i> (1996 film)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Books</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i>Freedom Betrayed</i></li> <li><a href="/wiki/De_re_metallica" title="De re metallica">English translation of <i>De re metallica</i></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Electoral_history_of_Herbert_Hoover" title="Electoral history of Herbert Hoover">Elections</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1920_Republican_National_Convention" title="1920 Republican National Convention">Republican National Convention, 1920</a></li> <li><a href="/wiki/1928_Republican_National_Convention" title="1928 Republican National Convention">1928</a></li> <li><a href="/wiki/1932_Republican_National_Convention" title="1932 Republican National Convention">1932</a></li> <li><a href="/wiki/1940_Republican_National_Convention" title="1940 Republican National Convention">1940</a></li> <li><a href="/wiki/1928_United_States_presidential_election" title="1928 United States presidential election">1928 United States presidential election</a></li> <li><a href="/wiki/1932_United_States_presidential_election" title="1932 United States presidential election">1932</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lou_Henry_Hoover" title="Lou Henry Hoover">Lou Henry Hoover</a> (wife)</li> <li><a href="/wiki/Herbert_Hoover_Jr." title="Herbert Hoover Jr.">Herbert Hoover Jr.</a> (son)</li> <li><a href="/wiki/Allan_Hoover" title="Allan Hoover">Allan Hoover</a> (son)</li> <li><a href="/wiki/Margaret_Hoover" title="Margaret Hoover">Margaret Hoover</a> (great-granddaughter)</li></ul> </div></td></tr><tr><td class="navbox-abovebelow hlist" colspan="2"><div> <ul><li><b><a href="/wiki/Calvin_Coolidge" title="Calvin Coolidge">← Calvin Coolidge</a></b></li> <li><b><a href="/wiki/Franklin_D._Roosevelt" title="Franklin D. Roosevelt">Franklin D. Roosevelt →</a></b></li></ul> <ul><li><b><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Herbert_Hoover" title="Category:Herbert Hoover">Category</a></b></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Ramsay_MacDonald" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Ramsay_MacDonald" title="Template:Ramsay MacDonald"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Ramsay_MacDonald" title="Template talk:Ramsay MacDonald"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Ramsay_MacDonald" title="Special:EditPage/Template:Ramsay MacDonald"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Ramsay_MacDonald" style="font-size:114%;margin:0 4em"><a href="/wiki/Ramsay_MacDonald" title="Ramsay MacDonald">Ramsay MacDonald</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Premierships</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/First_MacDonald_ministry" title="First MacDonald ministry">Labour Government, 1924</a></li> <li><a href="/wiki/Second_MacDonald_ministry" title="Second MacDonald ministry">Labour Government, 1929-1931</a></li> <li><a href="/wiki/National_Government_(1931)" title="National Government (1931)">First National Government, 1931</a></li> <li><a href="/wiki/National_Government_(1931%E2%80%931935)" title="National Government (1931–1935)">Second National Government, 1931-1935</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="7" style="width:1px;padding:0 0 0 2px"><div><figure class="mw-halign-right" typeof="mw:File"><a href="/wiki/File:J._Ramsay_MacDonald_LCCN2014715885_(cropped).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6b/J._Ramsay_MacDonald_LCCN2014715885_%28cropped%29.jpg/100px-J._Ramsay_MacDonald_LCCN2014715885_%28cropped%29.jpg" decoding="async" width="100" height="142" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6b/J._Ramsay_MacDonald_LCCN2014715885_%28cropped%29.jpg/150px-J._Ramsay_MacDonald_LCCN2014715885_%28cropped%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6b/J._Ramsay_MacDonald_LCCN2014715885_%28cropped%29.jpg/200px-J._Ramsay_MacDonald_LCCN2014715885_%28cropped%29.jpg 2x" data-file-width="3227" data-file-height="4567" /></a><figcaption></figcaption></figure></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">General elections</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1923_United_Kingdom_general_election" title="1923 United Kingdom general election">1923</a></li> <li><a href="/wiki/1924_United_Kingdom_general_election" title="1924 United Kingdom general election">1924</a></li> <li><a href="/wiki/1929_United_Kingdom_general_election" title="1929 United Kingdom general election">1929</a></li> <li><a href="/wiki/1931_United_Kingdom_general_election" title="1931 United Kingdom general election">1931</a></li> <li><a href="/wiki/1935_United_Kingdom_general_election" title="1935 United Kingdom general election">1935</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Constituencies</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Leicester_(UK_Parliament_constituency)" title="Leicester (UK Parliament constituency)">Leicester</a></li> <li><a href="/wiki/Aberavon_(UK_Parliament_constituency)" title="Aberavon (UK Parliament constituency)">Aberavon</a></li> <li><a href="/wiki/Seaham_(UK_Parliament_constituency)" title="Seaham (UK Parliament constituency)">Seaham</a></li> <li><a href="/wiki/Combined_Scottish_Universities_(UK_Parliament_constituency)" title="Combined Scottish Universities (UK Parliament constituency)">Combined Scottish Universities</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Career</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gladstone%E2%80%93MacDonald_pact" title="Gladstone–MacDonald pact">Gladstone–MacDonald pact</a></li> <li><a href="/wiki/1922_Labour_Party_leadership_election_(UK)" title="1922 Labour Party leadership election (UK)">1922 party leadership election</a></li> <li><a href="/wiki/Campbell_Case" title="Campbell Case">Campbell Case</a></li> <li><a href="/wiki/List_of_votes_of_no_confidence_in_British_governments#Defeat_of_the_MacDonald_ministry" class="mw-redirect" title="List of votes of no confidence in British governments">Defeat of the MacDonald ministry</a></li> <li><a href="/wiki/Zinoviev_letter" title="Zinoviev letter">Zinoviev letter</a></li> <li><a href="/wiki/Great_Depression_in_the_United_Kingdom" title="Great Depression in the United Kingdom">Great Depression</a></li> <li><a class="mw-selflink selflink">London Naval Treaty</a></li> <li><a href="/wiki/Round_Table_Conferences_(India)" title="Round Table Conferences (India)">India Round Table Conferences</a> <ul><li><a href="/wiki/Communal_Award" title="Communal Award">MacDonald Award</a></li></ul></li> <li><a href="/wiki/National_Government_(United_Kingdom)" title="National Government (United Kingdom)">National Government</a></li> <li><a href="/wiki/Anglo-German_Naval_Agreement" title="Anglo-German Naval Agreement">Anglo-German Naval Agreement</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Margaret_Ethel_MacDonald" class="mw-redirect" title="Margaret Ethel MacDonald">Margaret Ethel MacDonald</a> (wife)</li> <li><a href="/wiki/Malcolm_MacDonald" title="Malcolm MacDonald">Malcolm MacDonald</a> (son)</li> <li><a href="/wiki/Ishbel_MacDonald" title="Ishbel MacDonald">Ishbel MacDonald</a> (daughter)</li> <li><a href="/wiki/Sheila_Lochhead" title="Sheila Lochhead">Sheila MacDonald</a> (daughter)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Cultural depictions</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Winston_Churchill:_The_Wilderness_Years" title="Winston Churchill: The Wilderness Years">Winston Churchill: The Wilderness Years</a></i> (TV, 1981)</li> <li><i><a href="/wiki/Gandhi_(film)" title="Gandhi (film)">Gandhi</a></i> (Film, 1982)</li> <li><i><a href="/wiki/Number_10_(TV_series)" title="Number 10 (TV series)">Number 10</a></i> (TV, 1983)</li> <li><i><a href="/wiki/Mosley_(TV_serial)" title="Mosley (TV serial)">Mosley</a></i> (TV, 1998)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related articles</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1921_Woolwich_East_by-election" title="1921 Woolwich East by-election">1921 Woolwich East by-election</a></li> <li><a href="/wiki/1936_Combined_Scottish_Universities_by-election" title="1936 Combined Scottish Universities by-election">1936 Combined Scottish Universities by-election</a></li> <li><a href="/wiki/Lady_Margaret_Sackville" title="Lady Margaret Sackville">Lady Margaret Sackville</a></li> <li><a href="/wiki/MacDonald_letter" title="MacDonald letter">MacDonald letter</a></li> <li><a href="/wiki/MV_Reina_del_Pacifico" title="MV Reina del Pacifico">MV <i>Reina del Pacifico</i></a></li> <li><a href="/wiki/National_Labour_Organisation" title="National Labour Organisation">National Labour Organisation</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r1038841319">.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}</style></div><div role="navigation" class="navbox authority-control" aria-labelledby="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q704536#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q704536#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata" style="font-size:114%;margin:0 4em"><a href="/wiki/Help:Authority_control" title="Help:Authority control">Authority control databases</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q704536#identifiers" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">International</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/144217678">VIAF</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">National</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="London Naval Conference"><a rel="nofollow" class="external text" href="https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=ko2011654114&CON_LNG=ENG">Czech Republic</a></span></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://olduli.nli.org.il/F/?func=find-b&local_base=NLX10&find_code=UID&request=987007496529305171">Israel</a></span></li></ul></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=London_Naval_Treaty&oldid=1253746275">https://en.wikipedia.org/w/index.php?title=London_Naval_Treaty&oldid=1253746275</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:1930_in_France" title="Category:1930 in France">1930 in France</a></li><li><a href="/wiki/Category:1930_in_Italy" title="Category:1930 in Italy">1930 in Italy</a></li><li><a href="/wiki/Category:1930_in_Japan" title="Category:1930 in Japan">1930 in Japan</a></li><li><a href="/wiki/Category:1930_in_London" title="Category:1930 in London">1930 in London</a></li><li><a href="/wiki/Category:1930_in_the_United_Kingdom" title="Category:1930 in the United Kingdom">1930 in the United Kingdom</a></li><li><a href="/wiki/Category:Treaties_concluded_in_1930" title="Category:Treaties concluded in 1930">Treaties concluded in 1930</a></li><li><a href="/wiki/Category:April_1930_events" title="Category:April 1930 events">April 1930 events</a></li><li><a href="/wiki/Category:United_States_Navy_in_the_20th_century" title="Category:United States Navy in the 20th century">United States Navy in the 20th century</a></li><li><a href="/wiki/Category:1930_in_military_history" title="Category:1930 in military history">1930 in military history</a></li><li><a href="/wiki/Category:20th-century_military_history_of_the_United_Kingdom" title="Category:20th-century military history of the United Kingdom">20th-century military history of the United Kingdom</a></li><li><a href="/wiki/Category:Arms_control_treaties" title="Category:Arms control treaties">Arms control treaties</a></li><li><a href="/wiki/Category:Naval_treaties" title="Category:Naval treaties">Naval treaties</a></li><li><a href="/wiki/Category:British_defence_policymaking" title="Category:British defence policymaking">British defence policymaking</a></li><li><a href="/wiki/Category:History_of_the_French_Navy" title="Category:History of the French Navy">History of the French Navy</a></li><li><a href="/wiki/Category:History_of_the_Royal_Navy" title="Category:History of the Royal Navy">History of the Royal Navy</a></li><li><a href="/wiki/Category:Imperial_Japanese_Navy" title="Category:Imperial Japanese Navy">Imperial Japanese Navy</a></li><li><a href="/wiki/Category:Interwar-period_treaties" title="Category:Interwar-period treaties">Interwar-period treaties</a></li><li><a href="/wiki/Category:Japan%E2%80%93United_States_relations" title="Category:Japan–United States relations">Japan–United States relations</a></li><li><a href="/wiki/Category:Naval_history_of_Italy" title="Category:Naval history of Italy">Naval history of Italy</a></li><li><a href="/wiki/Category:Naval_history_of_Japan" title="Category:Naval history of Japan">Naval history of Japan</a></li><li><a href="/wiki/Category:Treaties_of_the_Empire_of_Japan" title="Category:Treaties of the Empire of Japan">Treaties of the Empire of Japan</a></li><li><a href="/wiki/Category:Treaties_of_the_French_Third_Republic" title="Category:Treaties of the French Third Republic">Treaties of the French Third Republic</a></li><li><a href="/wiki/Category:Treaties_of_the_Kingdom_of_Italy_(1861%E2%80%931946)" title="Category:Treaties of the Kingdom of Italy (1861–1946)">Treaties of the Kingdom of Italy (1861–1946)</a></li><li><a href="/wiki/Category:Treaties_of_the_United_Kingdom" title="Category:Treaties of the United Kingdom">Treaties of the United Kingdom</a></li><li><a href="/wiki/Category:Treaties_of_the_United_States" title="Category:Treaties of the United States">Treaties of the United States</a></li><li><a href="/wiki/Category:Victor_Emmanuel_III" title="Category:Victor Emmanuel III">Victor Emmanuel III</a></li><li><a href="/wiki/Category:Ramsay_MacDonald" title="Category:Ramsay MacDonald">Ramsay MacDonald</a></li><li><a href="/wiki/Category:Presidency_of_Herbert_Hoover" title="Category:Presidency of Herbert Hoover">Presidency of Herbert Hoover</a></li><li><a href="/wiki/Category:George_V" title="Category:George V">George V</a></li><li><a href="/wiki/Category:Hirohito" title="Category:Hirohito">Hirohito</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Use_dmy_dates_from_May_2017" title="Category:Use dmy dates from May 2017">Use dmy dates from May 2017</a></li><li><a href="/wiki/Category:Use_British_English_from_May_2017" title="Category:Use British English from May 2017">Use British English from May 2017</a></li><li><a href="/wiki/Category:All_articles_with_unsourced_statements" title="Category:All articles with unsourced statements">All articles with unsourced statements</a></li><li><a href="/wiki/Category:Articles_with_unsourced_statements_from_February_2023" title="Category:Articles with unsourced statements from February 2023">Articles with unsourced statements from February 2023</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 27 October 2024, at 17:23<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. By using this site, you agree to the <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use" class="extiw" title="foundation:Special:MyLanguage/Policy:Terms of Use">Terms of Use</a> and <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy" class="extiw" title="foundation:Special:MyLanguage/Policy:Privacy policy">Privacy Policy</a>. Wikipedia® is a registered trademark of the <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, a non-profit organization.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:General_disclaimer">Disclaimers</a></li> <li id="footer-places-contact"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-mobileview"><a href="//en.m.wikipedia.org/w/index.php?title=London_Naval_Treaty&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-6ftfp","wgBackendResponseTime":132,"wgPageParseReport":{"limitreport":{"cputime":"0.533","walltime":"0.757","ppvisitednodes":{"value":3960,"limit":1000000},"postexpandincludesize":{"value":79385,"limit":2097152},"templateargumentsize":{"value":8760,"limit":2097152},"expansiondepth":{"value":19,"limit":100},"expensivefunctioncount":{"value":5,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":48841,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 647.357 1 -total"," 26.45% 171.211 1 Template:Reflist"," 22.76% 147.347 2 Template:Cite_web"," 17.83% 115.414 3 Template:Navbox"," 15.41% 99.746 1 Template:Infobox_treaty"," 15.02% 97.250 1 Template:Interwar_Naval_Arms_Limitation"," 14.84% 96.066 1 Template:Infobox"," 10.88% 70.415 1 Template:Short_description"," 6.06% 39.237 2 Template:Pagetype"," 5.78% 37.389 1 Template:Authority_control"]},"scribunto":{"limitreport-timeusage":{"value":"0.298","limit":"10.000"},"limitreport-memusage":{"value":7570729,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-f69cdc8f6-rhzm7","timestamp":"20241123162530","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"London Naval Treaty","url":"https:\/\/en.wikipedia.org\/wiki\/London_Naval_Treaty","sameAs":"http:\/\/www.wikidata.org\/entity\/Q704536","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q704536","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2003-04-22T03:47:42Z","dateModified":"2024-10-27T17:23:58Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/3\/3a\/London_Naval_Conference_1930.jpg","headline":"agreement between the United Kingdom, Japan, France, Italy and the United States, signed on 22 April 1930, which regulated submarine warfare and limited naval shipbuilding"}</script> </body> </html>