Role of America in WWII By aleksandrakijowska7 Aug 23, 1939 Molotov-Ribbentrop Pact Sep 29, 1939 Munich Pact Jul 10, 1940 Battle of Britain Dec 7, 1941 Attack on Pearl Harbor Jun 6, 1944 D-Day Invasion Feb 4, 1945 Yalta Conference May 8, 1945 V.E Day