Cold War By 86040 Sep 2, 1945 End of WW2 Apr 3, 1948 Marshall Plan Apr 12, 1948 Truman Doctrine Jul 27, 1953 End of the Korean War May 14, 1955 Warsaw Pact Oct 4, 1957 Sputnik Jul 29, 1958 Development of NASA Feb 16, 1959 Fidel Castro and Cuba Apr 17, 1961 Bay of Pigs Invasion Aug 13, 1961 Building of the Berlin Wall