Japan during WWII By Diane Jung Dec 7, 1941 The Japanese Pearl Harbor. Period: Dec 7, 1941 to Oct 24, 1945 Japan during WWII Dec 8, 1941 U.S and Britain declare war on Japan Dec 15, 1941 First Japanese merchant ship sunk by a U.S submarine Feb 19, 1942 Roosevelt issues Executive orders which allows the internment of Japanese Americans Jun 2, 1942 USA defeated the Japanense navy at the Battle of Midway Following the victory, the US navy was able to push back Nov 14, 1942 U.S and Japanese warship clash again off Guadalcanal resulting in the sinking of the U.S Cruiser JUNEAU and the deaths of the five Sullivan brothers Oct 7, 1943 Japanese execute 100 American POWs on Wake Island Aug 6, 1945 First atomic bomb on Hiroshima Aug 9, 1945 Second atomic bomb on Hiroshima Aug 14, 1945 The Japansese surrendered to the allies which ended the second war. Sep 9, 1945 Japanese in Korea surrender Oct 24, 1945 United Nations is born