In the <a href="https://en.wikipedia.org/wiki/Battle_of_Dettingen" id="mwKw" rel="mw:WikiLink" title="Battle of Dettingen">Battle of Dettingen</a>, <a href="https://en.wikipedia.org/wiki/George_II_of_Great_Britain" id="mwLA" rel="mw:WikiLink" title="George II of Great Britain">George II</a> becomes the last reigning British monarch to participate in a battle.