Santana Ayala's Cold War Timeline By Sayala Jan 1, 1938 HUAC no specific date found Feb 4, 1945 Yalta Conference Jul 16, 1945 A-Bomb Tested Jul 17, 1945 Potsdam Conference Aug 6, 1945 A-Bomb dropped on Nagasaki Aug 9, 1945 A-Bomb dropped on Hiroshima Oct 24, 1945 United Nations Mar 5, 1946 Winston Churchill's Iron Curton Speech Mar 12, 1947 Truman Doctorine Apr 3, 1948 Marshall Plan Jun 24, 1948 Berlin Blockade Apr 4, 1949 NATO Oct 1, 1949 Communist Revolution China Jun 25, 1950 Korean War Nov 1, 1952 Hydrogen Bomb Test Jul 26, 1953 Cuban Revolution Sep 8, 1954 SEATO May 14, 1955 Warsaw Pact Nov 1, 1955 Vietnam War Oct 4, 1957 Sputnik Apr 17, 1961 Bay Of Pigs Aug 13, 1961 Berlin Wall Built Oct 4, 1962 Cuban Missile Crisis May 26, 1972 SALT I Dec 17, 1972 SALT II Dec 24, 1979 Afghan War Mar 1, 1985 Glasnost/Perestoika