Cold War By Mau416 Apr 18, 1943 The Tehran Conference Apr 12, 1945 Harry S. Truman become president Mar 5, 1946 Speech of the Iron Curtain Jun 29, 1947 Marshall Plan Jun 1, 1948 Foundation of West Germany Apr 4, 1949 NATO FORMED May 1, 1949 End of Berlin Blockade May 14, 1955 Warsaw Pact Apr 17, 1961 Bay of Pigs Apr 30, 1970 Vietnam War Jul 1, 1980 Olympic Boycott by USA Jan 1, 1991 End of Soviet Union