The War on All Fronts-Year by Year By GabriellaConstance Sep 1, 1939 Germany's Invasion of Poland Period: Sep 1, 1939 to Aug 15, 1945 The War on All Fronts - Year by Year Sep 3, 1939 Declaration of Was on Germany Jul 1, 1940 Battle of Britain Sep 1, 1940 Japanese Start Occupying Indo-China Dec 7, 1941 Declaration of War on Japan
