<a href="https://en.wikipedia.org/wiki/War_of_the_Sixth_Coalition" id="mweQ" rel="mw:WikiLink" title="War of the Sixth Coalition">War of the Sixth Coalition</a>: An <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Battle_of_Katzbach" id="mweg" rel="mw:WikiLink" title="Battle of Katzbach">impromptu battle</a> takes place when French and Prussian-Russian forces accidentally run into each other near <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Liegnitz" id="mwew" rel="mw:WikiLink" title="Liegnitz">Liegnitz</a>, Prussia (now Legnica, Poland).