Cold war By araveling Feb 1, 1945 Yalta Confrence May 5, 1945 World War II ends in Europe Aug 13, 1945 U.S. drops an atomic bomb on Hiroshima, Japan Aug 21, 1945 Potsdam Conference - Truman - Stalin and British divide up Europe Jan 18, 1946 First East European Communist government set up in Albania Jan 23, 1947 Communists seize power in Poland Mar 26, 1947 Truman Doctrine announced Period: Jun 1, 1948 to May 19, 1949 Berlin Airlift Apr 6, 1949 North Atlantic Treaty Organization (NATO) established Aug 18, 1949 Soviet Union explodes its first atomic bomb Oct 24, 1949 Communists win Chinese Civil War Period: Jun 19, 1950 to Jul 27, 1953 U.S. and other U.N. members fight North Korean forces Aug 24, 1953 U.S. sponsored coup overthrows Iranian government Aug 24, 1953 U.S. sponsored coup overthrows Iranian government Jun 24, 1954 U.S. sponsored coup overthrows Guatemalan government Sep 24, 1954 Southeast Asia Treaty Organization (SEATO) formed May 24, 1955 Warsaw Pact formed Jul 24, 1955 First Summit Meeting between President Dwight Eisenhower and Premier Nikita Khrushchev Nov 24, 1956 Red Army crushes the Hungarian Revolution Oct 24, 1957 Soviets launch first man‑made satellite Feb 24, 1959 Fidel Castro becomes premier of Cuba, installs Communist government Apr 24, 1961 Bay of Pigs invasion of Cuba Aug 24, 1961 East Germany builds Berlin Wall Jun 24, 1962 Sino‑Soviet Conflict begins Oct 24, 1962 Cuban Missile Crisis Oct 24, 1964 China explodes its first atomic bomb Apr 24, 1965 U.S. sends troops to the Dominican Republic Aug 24, 1965 U.S. commits combat troops to South Vietnam Aug 24, 1968 Soviet Red Army crushes Czech Uprising Feb 24, 1972 President Richard Nixon visits China Sep 24, 1973 U.S. supported coup overthrows Chilean government Apr 24, 1975 South Vietnam falls to Communist forces Feb 24, 1976 Soviet and Cuban forces help install Communist government in Angola Jan 24, 1979 U.S. and China establish diplomatic relations Dec 24, 1979 Soviet Red Army invades Afghanistan Aug 24, 1980 Polish shipyard workers strike, Solidarity Union formed Dec 24, 1983 U.S. invades Grenada Mar 24, 1985 Mikhail Gorbachev becomes leader of the Soviet Union, the following year he declares glasnost and perestroika 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. Nov 24, 1989 East Germany allows unrestricted migration to West Germany Dec 24, 1989 Berlin Wall is demolished May 24, 1990 George Bush and Mikhail Gorbachev agree to the reunification of Germany in 1994 Aug 24, 1991 Hard-line Communists stage unsuccessful coup against Mikhail Gorbachev. Dec 24, 1991 The Soviet Union is abolished. Boris Yeltsin becomes President of Russia