<a href="https://en.wikipedia.org/wiki/World_War_I" id="mwAQY" rel="mw:WikiLink" title="World War I">World War I</a>: Australia invades <a href="https://en.wikipedia.org/wiki/German_New_Guinea" id="mwAQc" rel="mw:WikiLink" title="German New Guinea">German New Guinea</a>, defeating a German contingent at the <a href="https://en.wikipedia.org/wiki/Battle_of_Bita_Paka" id="mwAQg" rel="mw:WikiLink" title="Battle of Bita Paka">Battle of Bita Paka</a>.