World War ll By hunterhannah Oct 25, 1936 Adolf Hitler and Benito Mussoloni form the Axis Powers Sep 1, 1939 Germany invades Poland Jun 5, 1940 Germany invades France Sep 27, 1940 Japan Joins the Axis Powers Jun 22, 1941 Germany invades the Soviet Union Dec 7, 1941 Pearl Harbor is attacked by the Japanese and the United States joins the war. cfws Sep 3, 1943 The Allies invade Italy. Jun 6, 1944 D-Day Apr 12, 1945 President Roosevelt dies Apr 30, 1945 Adolf Hitler commits suicide in Berlin May 8, 1945 Germany surrenders. Aug 6, 1945 Hiroshima is bombed with an Atomic bomb Aug 9, 1945 Nagasaki is bombed with an Atomic bomb Aug 15, 1945 Japan surrenders and World War ll ends