Japan WW2 By joelbarnden Period: Jan 1, 1941 to Jan 1, 1945 Japan WW2 Dec 7, 1941 Pearl Harbour Japan bombs Pearl Harbour Dec 8, 1941 Decleration America declares war on Japan May 8, 1942 Aircraft First air batle between Japan and USA Aug 8, 1945 Bombing USA atomic bombs Hiroshima and Nagasaaki to end war.
