Allied occupation of German New Guinea

Allied occupation of German New Guinea
Part of the Asian and Pacific theatre of World War I
Australian Fleet entering Simpson Harbour in 1914.
Date 9 September – 21 October 1914 Location German New Guinea Result Australian occupation successful
Belligerents
Australia  Japan	German Empire German New Guinea
Commanders and leaders
William Holmes George Patey	Carl von Klewitz Robert von Blumenthal Albert Hahl
Strength
2,000 2 Japanese Naval detachments	500
Casualties and losses
39 killed 12 wounded	85 killed 15 wounded

The Allied occupation of German New Guinea was the takeover of the Pacific colony of German New Guinea in September – November 1914 by an expeditionary force from Australia, called the Australian Naval and Military Expeditionary Force.