<a href="https://en.wikipedia.org/wiki/Later_Yan" id="mwEQ" rel="mw:WikiLink" title="Later Yan">Later Yan</a> is defeated by its former vassal <a href="https://en.wikipedia.org/wiki/Northern_Wei" id="mwEg" rel="mw:WikiLink" title="Northern Wei">Northern Wei</a> at the <a href="https://en.wikipedia.org/wiki/Battle_of_Canhe_Slope" id="mwEw" rel="mw:WikiLink" title="Battle of Canhe Slope">Battle of Canhe Slope</a>.<sup about="#mwt15" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-1"}}' id="cite_ref-1" rel="dc:references" typeof="mw:Extension/ref"><a href="./December_8#cite_note-1" id="mwFA" style="counter-reset: mw-Ref 1;"><span class="mw-reflink-text" id="mwFQ">[1]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-1"><cite about="#mwt12" class="citation book cs1" id="CITEREFMairChenWood2013">Mair, Victor H.; Chen, Sanping; Wood, Frances (2013). <a class="external text" href="https://books.google.com/books?id=agI7CwAAQBAJ" id="mwB7s" rel="mw:ExtLink nofollow"><i id="mwB7w">Chinese Lives: The People Who Made a Civilization</i></a>. London: Thames &amp; Hudson. pp.<span id="mwB70" typeof="mw:Entity"> </span>70–71. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB74" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB78" typeof="mw:Entity"> </span><a href="./Special:BookSources/9780500251928" id="mwB8A" rel="mw:WikiLink" title="Special:BookSources/9780500251928"><bdi id="mwB8E">9780500251928</bdi></a>.</cite><span about="#mwt12" class="Z3988" id="mwB8I" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Chinese+Lives%3A+The+People+Who+Made+a+Civilization&amp;rft.place=London&amp;rft.pages=70-71&amp;rft.pub=Thames+%26+Hudson&amp;rft.date=2013&amp;rft.isbn=9780500251928&amp;rft.aulast=Mair&amp;rft.aufirst=Victor+H.&amp;rft.au=Chen%2C+Sanping&amp;rft.au=Wood%2C+Frances&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DagI7CwAAQBAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecember+8"></span></span>