A Changing World By 18oconnorm Period: Aug 13, 1942 to Jun 20, 2016 Timeline Aug 6, 1945 Atomic Bombing of Hiroshima Aug 9, 1945 Atomic Bombing of Nakasaki Period: Sep 2, 1945 to Dec 26, 1991 Cold War According to US Federal Law Oct 24, 1945 Creation of the United Nations Dec 10, 1948 Declaration of Human Rights Period: Jun 25, 1950 to Jul 27, 1953 Korean War Period: Nov 1, 1955 to Apr 30, 1975 Vietnam War Jun 20, 1969 Apollo 11 successfully lands on the moon Nov 9, 1989 Fall of Berlin Wall Sep 11, 2001 Al-Qaeda suicide attacks on World Trade Centre