cold war By Shaniya_11 Period: May 1, 1945 to May 1, 2000 cold war Aug 14, 1945 World War II ends in Europe. Mar 10, 1946 Truman demands Russia leave Iran Mar 12, 1947 Truman declares active role in Greek Civil War Apr 4, 1949 NATO ratified Jun 4, 1950 orean War begins. Stalin supports North Korea who invade South Korea equipped with Soviet weapons Jan 12, 1951 Federal Civil Defense Administration established Mar 27, 1952 A-bombs developed by Britain Dec 8, 1953 Ike's Atoms for Peace speech Mar 1, 1954 H-bomb Castle-Bravo test May 11, 1955 Warsaw Pact formed Sep 4, 1956 USSR sent military aid to Afghanistan Jul 3, 1963 Nuclear Test Ban Treaty ratified Oct 1, 1964 A-bombs developed by China Feb 1, 1972 President Richard Nixon visits China Apr 17, 1975 North Vietnam defeats South Vietnam which falls to Communist forces Jan 1, 1979 U.S. and China establish diplomatic relations. Nov 1, 1979 Shah of Iran overthrown; Iranian Hostage Crisis Nov 1, 1979 shah of Iran overthrown; Iranian Hostage Crisis Aug 5, 1980 Polish shipyard workers strike Solidarity Union formed. Strike leader Lech Walesa is elected as the head of Solidarity Nov 10, 1989 Berlin Wall is demolished and East Germany allows unrestricted migration to West Germany May 29, 1990 Boris Yeltsin elected as President of Russia Oct 4, 2015 Sputnik launched into orbit