History of Australia (1901–45) from Australian courts to the British Privy Council in London. Most important, the Act transferred into Australian hands full control of all Australia's constitutional documents. History of Australia (1901–45) The history of Australia from 1901–1945 begins with the federation of the six colonies to create the Commonwealth of Australia. The young nation joined Britain in the First World War, suffered through the Great Depression in Australia as part of the global Great Depression and again joined Britain in the Second World War against Nazi Germany in 1939. Imperial Japan launched air raids and submarine raids against Australian cities during the
War crimes in occupied Poland during World War II at Chełmno according to postwar verdict by West Germany, although up to 340,000 victims were estimated by the Polish Main Commission for Investigation of German Crimes in Poland (GKBZNwP), a predecessor of the Institute of National Remembrance. Following the Wannsee Conference of 1942, as part of highly secretive Operation Reinhard in occupied Poland, the German government built three regular killing centres with stationary gas chambers. It was the most deadly phase of the Final Solution, based on implementing semi-industrial means of killing and incinerating people. The new facilities included Treblinka extermination camp (set up in July 1942), Bełżec (March 1942),