Cold War Timeline By kayleec3 Sep 2, 1945 End Of World War 2 Mar 5, 1946 Iron Curtain Speech Mar 12, 1947 Truman Doctrine Jul 28, 1947 Policy of Containment Apr 1, 1948 Beginning of Berlin Airlift Apr 3, 1948 Marshall Plan Apr 4, 1949 NATO Formed May 12, 1949 End of Berlin Airlift Jun 25, 1950 Beginning of Korean War Nov 1, 1952 U.S. Tests H-Bomb Jul 27, 1953 End of Korean War May 11, 1955 Warsaw Pact Formed Nov 1, 1955 Beginning of Vietnam War Oct 27, 1957 Launch of Sputnik Apr 17, 1961 Beginning of Bay of Pigs Invasion Apr 19, 1961 End of the Bay of Pigs Invasion Aug 13, 1961 Berlin Wall Built May 1, 1962 U-2 Incident Oct 14, 1962 Cuban Missile Crisis Jul 1, 1968 Non Proliferation Treaty Apr 30, 1975 End of Vietnam War May 28, 1990 Germany Reunification Dec 25, 1991 Soviet Union Break-up