World War II (8 Major Events) By SnipedU4Fun Sep 1, 1939 Hitler invades Poland; Britain and France declare war on Germany 2 days later. Hitler invades Poland, Britain and France declare war on Germany 2 days later. Period: Sep 1, 1939 to Aug 14, 1945 World War II The Span Of World War 2 May 10, 1940 Churchill becomes Prime Minister of Great Britain Jun 22, 1941 Hitler begins Operation Barbarossa - the invasion of Russia. Dec 7, 1941 Japan attacks Pearl Harbor and the United States enter the war. Sep 8, 1943 Italy surrenders from World War II but Germany takes over. Jun 6, 1944 D Day: The Allied Invasion of France. Allies begin to liberate France. May 7, 1945 Russians reach Berlin; Hitler commits suicide and Germany surrenders. Aug 14, 1945 Atomic bombs are dropped on Hiroshima and Nagasaki; Japan Surrenders ending the War.
