<a href="https://en.wikipedia.org/wiki/Mongolian_Revolution_of_1921" id="mwwQ" rel="mw:WikiLink" title="Mongolian Revolution of 1921">Mongolian Revolution of 1921</a>: The Mongolian People's Army defeated local Chinese forces at <a href="https://en.wikipedia.org/wiki/Altanbulag,_Selenge" id="mwwg" rel="mw:WikiLink" title="Altanbulag, Selenge">Altanbulag, Selenge</a> (then known as Maimachen). This battle was seen as the birthday of the People's Army and completed the expulsion of Chinese militants in Mongolia.<sup about="#mwt61" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-10"}}' id="cite_ref-10" rel="dc:references" typeof="mw:Extension/ref"><a href="./March_18#cite_note-10" id="mwww" style="counter-reset: mw-Ref 10;"><span class="mw-reflink-text" id="mwxA">[10]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-10"><cite about="#mwt58" class="citation book cs1" id="mwB60"><a class="external text" href="https://archive.org/details/HistoryOfTheMPR/page/n1/mode/2up" id="mwB64" rel="mw:ExtLink nofollow"><i id="mwB68">History of the Mongolian People's Republic</i></a>. Nauka. 1973. pp.<span id="mwB7A" typeof="mw:Entity"> </span>293–294.</cite><span about="#mwt58" class="Z3988" id="mwB7E" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=History+of+the+Mongolian+People%27s+Republic&amp;rft.pages=293-294&amp;rft.pub=Nauka&amp;rft.date=1973&amp;rft_id=https%3A%2F%2Farchive.org%2Fdetails%2FHistoryOfTheMPR%2Fpage%2Fn1%2Fmode%2F2up&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMarch+18"></span></span>