World War II Timeline By cspector Sep 1, 1939 Germany invades Poland Germany Invades Poland Sep 3, 1939 Britain and France Declare War Apr 1, 1940 Hitler Takes Control of Belgium, Denmark, Norway, Holland, Luxembourg Jun 10, 1940 Italy Attacks France Jun 22, 1941 Germany Invades Soviet Union Dec 7, 1941 Pearl Harbor Jun 6, 1944 D-Day Aug 6, 1945 Hiroshima
