World War II Timeline Project By 2016054 Sep 19, 1931 Japan Invades China The Japan-China War started Sep 1, 1939 Germaney Invades Poland Jun 22, 1941 Operation Barbarossa Begins Dec 7, 1941 Day of Infamy Pearl Harbor was Bombed Jan 20, 1942 Wannsee Conference Jan 27, 1942 Operation Barbarossa Ends Aug 7, 1942 Battle of Guadalcanal Begins Feb 7, 1943 Battle of Guadalcanal Ends Jun 6, 1944 D- Day Sep 17, 1944 Operation Market Garden Begins Sep 25, 1944 Operation Market Garden Ends Dec 16, 1944 Battle of the Bulge Begins Jan 25, 1945 Battle of the Bulge Ends