History By NumberCat Period: Sep 1, 1939 to Sep 2, 1945 WWII Dec 7, 1941 Pearl Harbor Period: Aug 6, 1945 to Aug 9, 1945 Hiroshima and Nagasaki Bombing Period: Jun 25, 1950 to Jul 27, 1953 Korean War Period: Nov 1, 1955 to Apr 30, 1975 Vietnam War Period: Aug 13, 1961 to Nov 3, 1989 Berlin Wall Period: 1981 to 1991 Reagan Era Period: Oct 28, 2026 to Nov 2, 2032 WWIII