Abby's Cold War Timeline By abbymeneguzzo Period: Apr 27, 1945 to Apr 27, 1970 Abby's Cold War Timeline Dec 24, 1946 George Bush and Mikhail Gorbachev agree to the reunification of Germany in 1994 Dec 24, 1947 Communists seize power in Poland. Dec 24, 1947 he American and British zones of control in Germany are united Dec 24, 1948 communists take control Apr 1, 1949 Formed the north atlantic treaty Jan 1, 1950 Millitery alliances Dec 24, 1950 U.S. and other U.N. members fight North Korean forces. Dec 24, 1950 West Germany joins NATO and begins rearmament Dec 24, 1953 U.S. sponsored coup overthrows Iranian government. Dec 24, 1953 Dwight Eisenhower becomes president Sep 24, 1954 Southeast Asia Treaty Organization (SEATO) formed. Dec 24, 1954 U.S. sponsored coup overthrows Guatemalan government. Oct 24, 1956 Red Army crushes the Hungarian Revolution Jan 1, 1957 The soviets sent Sputnik I Mar 12, 1957 Truman Doctrine Dec 24, 1957 first man made satalite Oct 24, 1964 China explodes its first atomic bomb. Oct 24, 1965 U.S. sends troops to the Dominican Republic U.S. commits combat troops to South Vietnam. Feb 24, 1972 President Richard Nixon visits China. Apr 24, 1973 U.S. supported coup overthrows Chilean government. Dec 24, 1975 South Vietnam falls to Communist forces. Feb 24, 1976 Soviet and Cuban forces help install Communist government in Angola. Aug 24, 1980 Polish shipyard workers strike, Solidarity Union formed. Dec 24, 1983 U.S. invades Grenada. May 24, 1989 Led by university students, over one million Chinese in Tiananmen Square demand reforms by the Chinese Communist government. Sep 24, 1989 Solidarity forms the first post-war non-Communist government in Poland Oct 24, 1989 Hungary declares a non-Communist government. Oct 24, 1989 East Germany allows unrestricted migration to West Germany. Dec 24, 1989 Berlin Wall is demolished. Dec 24, 1990 George Bush and Mikhail Gorbachev agree to the reunification of Germany in 1994