Major Events In WWII By jcasto8 Period: Dec 6, 1941 to Sep 2, 1945 Major events of WWII Dec 7, 1941 Japan Bombs Pearl Harbor Dec 8, 1941 United States and Britain declare war on Japan Dec 11, 1941 Hitler declares war on the United States Oct 18, 1942 Hitler orders the execution of all captured British commandos Jan 27, 1943 First bombing raid by Americans on Germany (at Wilhelmshaven) Feb 2, 1943 Germans surrender at Stalingrad in the first big defeat of Hitler's armies Sep 8, 1943 Italian surrender to Allies is announced. Jun 6, 1944 D-Day landings on the northern coast of France. Jul 20, 1944 Assassination attempt by German Army officers against Hitler fails. Feb 4, 1945 Roosevelt, Churchill, Stalin meet at Yalta. Aug 6, 1945 First atomic bomb dropped, on Hiroshima, Japan Aug 9, 1945 Second atomic bomb dropped, on Nagasaki, Japan. Sep 2, 1945 Japan Signs surrender agreement