A Changing World By haydennewell_ Aug 6, 1945 Atomic Bombings Britannica Oct 24, 1945 Creation of the UN Britannica Period: Feb 1, 1947 to Dec 31, 1991 Cold War Britannica Dec 10, 1948 Declaration of Human Rights Britannica Period: Jun 25, 1950 to Jul 27, 1953 Korean War Britannica Period: Nov 1, 1955 to Apr 30, 1975 Vietnam War Britannica Jul 20, 1969 Moon Landing Britannica Nov 9, 1989 Fall of the Berlin Wall Britannica Nov 11, 2001 9/11 Terrorist Attacks Britannica