Cohort | Roman military

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Mitt Romney. Official portrait of President Barack Obama in the Oval Office, Dec. 6, 2012 after his reelection Nov. 6, 2012. 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The FBI supported the Los Angeles Police Department in the case, including by identifying Short through her fingerprints that" width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/list/americas-5-most-notorious-cold-cases-including-one-you-may-have-thought-was-already-solved" >America’s 5 Most Notorious Cold Cases (Including One You May Have Thought Was Already Solved)</a> </div> </div> </div> </div> </div> </div> <button class="drawerToggle btn position-sticky border btn-xs btn-white btn-circle rounded-sm d-none d-lg-flex " type="button" aria-label="Toggle Drawer"> <em class="material-icons font-18 text-blue" data-icon="keyboard_arrow_left"></em> </button> </div> </div> <div class="col"> <div class="h-100 ml-0 pr-lg-0"> <div class="h-100 grid gx-0 gx-lg-20"> <div class="h-100 col-sm d-flex flex-column position-relative infinite-pagination-container"> <div class="position-absolute top-0 h-100 w-100"> <div class="toc-sticky-header d-none d-lg-none bg-gray-50 px-10 px-sm-30 position-sticky w-100 "> <div class="toc-sticky-header-inner-container align-items-center d-flex mx-auto h-100 w-100"> <button class="d-flex d-lg-none btn btn-sm btn-white text-blue border-2 border-gray-100 gtm-mobile-toc-header-button js-sections-button d-lg-none p-10"> <em class="material-icons my-n5 md-icon" data-icon="toc"></em> Contents </button> <div class="header-ai-ask-button-placeholder"></div> <div class="header-ai-summarize-button-placeholder"></div> </div> </div> </div> <div class="grey-box w-100 grey-box-middle"> <div class="grey-box-content mx-auto w-100"> <br class="d-block mt-20"> <div class="topic-header"> <div class="d-flex align-items-top justify-content-between"> <div class="d-flex flex-column"> <div> <div> <h1>cohort</h1></div> </div> <div class="topic-identifier font-16 font-md-20">Roman military</div> </div> </div> <div class="d-none d-sm-flex flex-row"> <div class="mr-10 mb-15"> <button class="ai-ask-button btn border-2 btn-sm js-inline-ai-ask-button btn-outline-red-400 border-red-400"> Ask the Chatbot a Question </button> </div> </div> <div class="toc-header-marker"></div> <button class="ai-ask-button btn border-2 js-header-ai-ask-button d-none btn-sm btn-outline-red-400 border-red-400 mr-0 mr-lg-10 ml-5 ml-sm-10 ml-lg-0 p-10"> Ask the Chatbot a Question </button> </div> <div id="ref1"><section class="index-entries"><h2 class="h3"><strong>Learn about this topic</strong> in these articles:</h2><section><h3>function in legion</h3><ul class="list-unstyled"><li> <span class="index-xref">In <a href="https://www.britannica.com/topic/legion#ref246476" class="md-crosslink " data-show-preview="true">legion</a></span><p class="topic-paragraph">…of each line formed a cohort of 420 men; this was the Roman equivalent of a battalion. Ten cohorts made up the heavy-infantry strength of a legion, but 20 cohorts were usually combined with a small cavalry force and other supporting units into a little self-supporting army of about 10,000…</p><a class="read-more" href="/topic/legion#ref246476">Read More</a></li></ul></section><section><h3>police and fire protection duties</h3><ul class="list-unstyled"><li><div class="md-assembly-wrapper card-media" data-type="image"><img src="https://cdn.britannica.com/38/102638-050-20E9DC3B/Officers-housing-project-French-National-Police.jpg?w=300" alt="French National Police: patrolling" data-width="1600" data-height="1043" loading="lazy"></div> <span class="index-xref">In <a href="https://www.britannica.com/topic/police/The-history-of-policing-in-the-West#ref416690" class="md-crosslink " data-show-preview="true">police: Ancient policing</a></span><p class="topic-paragraph">…consisting of seven squads, or cohorts, of 1,000 freedmen each. Each cohort was responsible for fire and, especially at night, police protection in two <em>regiones</em>. As a further measure to impose order on the often violent streets of Rome—a city of nearly one million people—Augustus created three cohorts of police,…</p><a class="read-more" href="/topic/police/The-history-of-policing-in-the-West#ref416690">Read More</a></li></ul></section></section></div><div id="chatbot-root"></div> </div> </div> </div> <aside class="col-md-da-320" data-page="1"></aside> </div> </div> </div> </div> </article> </div> </div> </div> </div> </main> <div id="md-footer"></div> <noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-5W6NC8" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> <script type="text/javascript" id="_informizely_script_tag"> var IzWidget = IzWidget || {}; (function (d) { var scriptElement = d.createElement('script'); scriptElement.type = 'text/javascript'; scriptElement.async = true; scriptElement.src = "https://insitez.blob.core.windows.net/site/f780f33e-a610-4ac2-af81-3eb184037547.js"; var node = d.getElementById('_informizely_script_tag'); node.parentNode.insertBefore(scriptElement, node); } )(document); </script>  <script> window.ap3c = window.ap3c || {}; var ap3c = window.ap3c; ap3c.cmd = ap3c.cmd || []; ap3c.cmd.push(function() { ap3c.init('ZO4siT4cLwnykPnzZWJtd3Byb2Q', 'https://engage.email.britannica.com/'); ap3c.track({v: 0}); }); ap3c.activity = function(act) { ap3c.act = (ap3c.act || []); ap3c.act.push(act); }; var s, t; s = document.createElement('script'); s.type = 'text/javascript'; s.src = "https://engage.email.britannica.com/app.js"; t = document.getElementsByTagName('script')[0]; t.parentNode.insertBefore(s, t); </script> <script class="marketing-page-info" type="application/json"> {"pageType":"Topic","templateName":"INDEX","pageNumber":1,"pagesTotal":1,"pageId":124650,"pageLength":0,"initialLoad":true,"lastPageOfScroll":false} </script> <script class="marketing-content-info" type="application/json"> [] </script> <script src="https://cdn.britannica.com/mendel-resources/3-133/js/libs/jquery-3.5.0.min.js?v=3.133.9"></script> <script type="text/javascript" data-type="Init Mendel Code Splitting"> (function() { $.ajax({ dataType: 'script', cache: true, url: 'https://cdn.britannica.com/mendel-resources/3-133/dist/topic-page.js?v=3.133.9' }); })(); </script> <script class="analytics-metadata" type="application/json"> {"leg":"A","adLeg":"A","userType":"ANONYMOUS","pageType":"Topic","pageSubtype":null,"articleTemplateType":"INDEX","gisted":false,"pageNumber":1,"hasSummarizeButton":false,"hasAskButton":false} </script> <script type="text/javascript"> EBStat={accountId:-1,hostnameOverride:'webstats.eb.com',domain:'www.britannica.com', json:''}; </script> <script type="text/javascript"> ( function() { $.ajax( { dataType: 'script', cache: true, url: '//www.britannica.com/webstats/mendelstats.js?v=1' } ) .done( function() { try {writeStat(null,EBStat);} catch(err){} } ); })(); </script> <div id="bc-fixed-dialogue"></div> </body> </html>

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