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1943
1943
- Saturday 2 January - Buna falls to the Australians and Americans
- Friday 22 January - Japanese final foothold annihilated
Final Japanese beach foothold at Sanananda annihilated. Remnants of the Japanese force escaped north along the coast towards Lae.
- Saturday 23 January - Official end to the Papuan Campaign
- Tuesday 2 March - The Battle of the Bismarck Sea
The Japanese sent a convoy of eight transports, with a destroyer escort, to reinforce their garrison at Lae in New Guinea. In three days of air attacks the Royal Australian Air Force and the United States Army Air Force sank all the transports and four of the destroyers. At least 2890 Japanese were killed.