<a href="https://en.wikipedia.org/wiki/Thirty_Years'_War" id="mwRg" rel="mw:WikiLink" title="Thirty Years' War">Thirty Years' War</a>: The Swedish Army defeats the armies of Saxony and the Holy Roman Empire at the <a href="https://en.wikipedia.org/wiki/Battle_of_Wittstock" id="mwRw" rel="mw:WikiLink" title="Battle of Wittstock">Battle of Wittstock</a>.