The first battle between the forces of <a href="https://en.wikipedia.org/wiki/Švitrigaila" id="mwIg" rel="mw:WikiLink" title="Švitrigaila">Švitrigaila</a> and <a href="https://en.wikipedia.org/wiki/Sigismund_Kęstutaitis" id="mwIw" rel="mw:WikiLink" title="Sigismund Kęstutaitis">Sigismund Kęstutaitis</a> is fought near the town of <a href="https://en.wikipedia.org/wiki/Ashmyany" id="mwJA" rel="mw:WikiLink" title="Ashmyany">Oszmiana (Ashmyany)</a>, launching the most active phase of the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Lithuanian_Civil_War_(1431–35)" id="mwJQ" rel="mw:WikiLink" title="Lithuanian Civil War (1431–35)">Lithuanian Civil War</a>.<sup about="#mwt25" 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="./December_9#cite_note-3" id="mwJg" style="counter-reset: mw-Ref 3;"><span class="mw-reflink-text" id="mwJw">[3]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-3"><cite about="#mwt22" class="citation book cs1" id="CITEREFShirogorov2021">Shirogorov, Vladimir (2021). <a class="external text" href="https://books.google.com/books?id=mP0vEAAAQBAJ" id="mwB7k" rel="mw:ExtLink nofollow"><i id="mwB7o">War on the Eve of Nations: Conflicts and Militaries in Eastern Europe, 1450-1500</i></a>. Lanham, Md.: Lexington Books. p.<span id="mwB7s" typeof="mw:Entity"> </span>107. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB7w" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB70" typeof="mw:Entity"> </span><a href="./Special:BookSources/9781793622402" id="mwB74" rel="mw:WikiLink" title="Special:BookSources/9781793622402"><bdi id="mwB78">9781793622402</bdi></a>.</cite><span about="#mwt22" class="Z3988" id="mwB8A" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=War+on+the+Eve+of+Nations%3A+Conflicts+and+Militaries+in+Eastern+Europe%2C+1450-1500&amp;rft.place=Lanham%2C+Md.&amp;rft.pages=107&amp;rft.pub=Lexington+Books&amp;rft.date=2021&amp;rft.isbn=9781793622402&amp;rft.aulast=Shirogorov&amp;rft.aufirst=Vladimir&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DmP0vEAAAQBAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecember+9"></span></span>