WW II Broad Timeline Australia By Fox0113 Sep 3, 1939 Australia declares war on Germany Feb 19, 1942 The Japanese first attacked when they launched a devastating air raid on Darwin in the Northern Territor Apr 15, 1942 MacArthur arrives in Australia to organize large scale intelligence services. May 31, 1942 Japanese attacked Sydney Harbor from the sea. Sep 15, 1993 Menzies announced the formation of the Second Australian Imperial Force (AIF).
