Tijdlijn voor Assignment 3 AH2 By Ewoud van Aalst Mar 12, 1947 Truman doctrine Period: 1948 to 1952 Marshall aid Feb 26, 1948 The fall of Czechoslovakia Period: Jun 26, 1948 to May 12, 1949 Berlin closure and airlift Apr 4, 1949 NATO alliance Aug 29, 1949 detonation of first Soviet atomic bomb Oct 1, 1949 Establishment of the People’s Republic of China Period: Jun 25, 1950 to Jul 27, 1953 Korean war Nov 1, 1952 detonation of first hydrogen bomb Oct 4, 1957 Launching Sputnik 1 1962 Cuba Missile Crisis Aug 2, 1964 Tonkin Gulf incident 1967 Summer of love Period: Jan 30, 1968 to Sep 23, 1968 The Tet offensive Mar 16, 1968 My Lai massacre Jul 1, 1968 Treaty on the Non-Proliferation of Nuclear Weapons Jun 30, 1971 Pentagon Paper case 1972 Nixon visits China 1981 nstallation of Pershing and Cruise missiles in Europe and anti-war demonstrations Mar 23, 1983 Star wars (The project not the movie) Dec 26, 1991 Collapse of the Soviet Union