<a href="https://en.wikipedia.org/wiki/World_War_II" id="mw3A" rel="mw:WikiLink" title="World War II">World War II</a>: <a href="https://en.wikipedia.org/wiki/Battle_of_Christmas_Island" id="mw3Q" rel="mw:WikiLink" title="Battle of Christmas Island">Japanese forces invade Christmas Island</a>, then a British possession.