Cold War Timeline By CavanHeath Nov 28, 1943 Tehran Conferance Feb 4, 1945 Yalta Conferance Jul 17, 1945 Potsdam Conferance Mar 12, 1947 Truman Doctrine Jun 3, 1948 Marshall Plan Jun 24, 1948 Berlin Blockade Apr 4, 1949 Formation of NATO May 14, 1955 Warsaw Pact Oct 23, 1956 Hungarian Uprising Apr 17, 1961 Bay of Pigs Invasion Aug 13, 1961 Berlin Wall Oct 16, 1962 Cuban Missile Crisis Jan 5, 1968 Prague Spring May 26, 1972 SACT Dec 24, 1979 Invasion of Afghanistan Nov 9, 1989 Fall of the Berlin Wall