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.
Date9 September – 21 October 1914
Location
Result Australian occupation successful
Belligerents
 Australia
 Japan

 German Empire

Commanders and leaders
Australia William Holmes
United Kingdom of Great Britain and Ireland George Patey
Carl von Klewitz
Robert von Blumenthal
German Empire Albert Hahl
Strength
  • 2,000
  • 2 Japanese Naval detachments
500
Casualties and losses
39 killed
12 wounded (Australian Casaulties)
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.