WWll timeline By betrayed Sep 1, 1933 Adolf Hitler How Adolf Hitler came into power Oct 11, 1936 Axis Powers Formed Germany Italy and Japan Aug 23, 1939 Germany and Soviet Union sign Non Aggression Pact Germany and U.S.S.R break eastern Europe into their ways Period: Sep 3, 1939 to Apr 9, 1940 Phony War Britain and France at Maginot line declare war on Germany Dec 7, 1941 Pearl Harbor The bombing of Pearl Harbor