<a class="mw-redirect" href="https://en.wikipedia.org/wiki/Thirteen_Years'_War_(1454–66)" id="mwMw" rel="mw:WikiLink" title="Thirteen Years' War (1454–66)">Thirteen Years' War</a>: In the <a href="https://en.wikipedia.org/wiki/Battle_of_Chojnice_(1454)" id="mwNA" rel="mw:WikiLink" title="Battle of Chojnice (1454)">Battle of Chojnice</a>, the Polish army is defeated by the <a href="https://en.wikipedia.org/wiki/Teutonic_Order" id="mwNQ" rel="mw:WikiLink" title="Teutonic Order">Teutonic knights</a>.