Japan 1931 - 1990 Humanities A/B By ronaldkim Period: Jan 1, 1931 to Jan 18, 1990 Japan 1931 - 1990 Humanities A/B Sep 1, 1939 Start of WW2 Jan 1, 1941 General Hideki Tojo gains complete control of government Dec 7, 1941 Bombing of Pearl Harbor Aug 6, 1945 First Atomic Bomb Dropped on Hiroshima Jan 1, 1989 Death of Emperor Hirohito