Key American Events of WWII By Yasmin Holt Period: Dec 7, 1941 to Sep 2, 1945 Key American Events of WWII Feb 19, 1942 Japanese American Internment Jun 6, 1944 D-Day Dec 16, 1944 Battle of the Bulge Feb 4, 1945 Yalta Conference Apr 1, 1945 Battle of Okinawa May 8, 1945 V.E. Day Aug 7, 1945 Little Boy and Fat Man dropped on Hiroshima and Nagasaki