<a href="https://en.wikipedia.org/wiki/World_War_I" id="mwkA" rel="mw:WikiLink" title="World War I">World War I</a>: <a href="https://en.wikipedia.org/wiki/Battle_of_Cambrai_(1917)" id="mwkQ" rel="mw:WikiLink" title="Battle of Cambrai (1917)">Battle of Cambrai</a> begins: British forces make early progress in an attack on German positions but are later pushed back.