<a href="https://en.wikipedia.org/wiki/Battle_of_Legnica" id="mwLg" rel="mw:WikiLink" title="Battle of Legnica">Battle of Liegnitz</a>: <a href="https://en.wikipedia.org/wiki/Mongol_Empire" id="mwLw" rel="mw:WikiLink" title="Mongol Empire">Mongol</a> forces defeat the Polish and German armies.<sup about="#mwt28" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-3"}}' id="cite_ref-3" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_9#cite_note-3" id="mwMA" style="counter-reset: mw-Ref 3;"><span class="mw-reflink-text" id="mwMQ">[3]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-3"><cite about="#mwt25" class="citation book cs1" id="CITEREFGrant2017">Grant, R.G. (2017). <a class="external text" href="https://books.google.com/books?id=2ZNADwAAQBAJ" id="mwB4g" rel="mw:ExtLink nofollow"><i id="mwB4k">1001 Battles That Changed the Course of World History</i></a>. New York: Chartwell Books. p.<span id="mwB4o" typeof="mw:Entity"> </span>168. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB4s" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB4w" typeof="mw:Entity"> </span><a href="./Special:BookSources/9780785835530" id="mwB40" rel="mw:WikiLink" title="Special:BookSources/9780785835530"><bdi id="mwB44">9780785835530</bdi></a>.</cite><span about="#mwt25" class="Z3988" id="mwB48" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=1001+Battles+That+Changed+the+Course+of+World+History&amp;rft.place=New+York&amp;rft.pages=168&amp;rft.pub=Chartwell+Books&amp;rft.date=2017&amp;rft.isbn=9780785835530&amp;rft.aulast=Grant&amp;rft.aufirst=R.G.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D2ZNADwAAQBAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+9"></span></span>