World War II Timeline By jlipply44 Sep 1, 1939 Germany Invades Poland Sep 10, 1939 Battle of Atlantic begins Sep 17, 1939 Soviets invade Poland Mar 12, 1940 Nazis invade Dnemark and Norway Dec 7, 1941 Japan bombs Pearl Harbor Dec 8, 1941 United States and Britain declar war on Japan Dec 11, 1941 Hitler declars war on the U.S. Aug 17, 1942 First all-American air attack in Europe Sep 13, 1942 Battle of Stalingrad begins. Jan 27, 1943 First bombing raid by Americans on Germany Nov 28, 1943 Roosevelt, Churchill, Stalin meet at Teheran Feb 16, 1944 Germans counter-attack against the Anzio beachhead. Jun 6, 1944 D-Day landings on the northern coast of France May 8, 1945 V-E Day Jun 26, 1945 United Nations charter is signed in San Francisco Sep 2, 1945 Japan signs the surrender agreement Oct 24, 1945 United Nations is born
