<a href="https://en.wikipedia.org/wiki/World_War_I" id="mw4A" rel="mw:WikiLink" title="World War I">World War I</a>: The British Expeditionary Force and the French Fifth Army begin their <a href="https://en.wikipedia.org/wiki/Great_Retreat" id="mw4Q" rel="mw:WikiLink" title="Great Retreat">Great Retreat</a> before the German Army.