FDR led the United States during World War 2, from 1933 until his death in 1945. Under his leadership, the US initially pursued an isolationist foreign policy of non-intervention as Nazi Germany and fascist Italy grew more powerful. After the Japanese attack on Pearl Harbor in 1941, FDR rallied the nation and led the Allies to ultimate victory. Key events included instituting the draft, building up the US military, the D-Day invasion of Normandy in 1944, and the dropping of atomic bombs on Hiroshima and Nagasaki in 1945 which helped end the war in the Pacific. FDR's 12 years in office saw massive changes both domestically and internationally as the US emerged from its isolation and took on a