The Cold War By lilliy44 Period: Jan 1, 1945 to Dec 31, 2003 cold war Feb 2, 1945 yalta Jun 26, 1945 United Nations Formation Jul 7, 1945 postdam Feb 27, 1947 The Truman Doctrine Apr 3, 1948 marshall plan Jun 24, 1948 Berlin Airlift Apr 4, 1949 NATO formation NATO stands for the North Alantic Treaty Orgation Jun 25, 1950 north korean invasion of south korea Jul 27, 1953 armistice singed ending korean war Oct 17, 1956 first american in space Dr. Mae C. Jemison was the first american in space Oct 4, 1957 Sputnik 1 launched Apr 12, 1961 first man in space Jul 20, 1969 first man on the moon Neil Armstrong became the first man from the planet Earth to step on the surface of the Moon. May 14, 1995 Warsaw Pact Formation