cold war By esaumtz21 Aug 6, 1945 US first uses atomic bomb •In 1945 The Allies agree in Potsdam to the fundamental conditions of the occupation of Germany. American nuclear bombs destroy Hiroshima and Nagasaki. Jun 24, 1948 Berlin blockade begins Berlin Jun 2, 1950 Korean war begins korean war Apr 2, 1961 Bay of pigs invasion bay of pigs invasion Aug 17, 1961 Construction of Berlin Wall begins berlin wall Jul 1, 1965 Announcement of dispatching of 150,000 U.S. troops to Vietnam Vietnam Apr 17, 1975 North Vietnam defeats South Vietnam Vientam ends Nov 1, 1989 Berlin wall falls Dec 19, 1989 Communist governments fall in Czechoslovakia, Bulgaria, and Rumania; Soviet empire ends Aug 19, 1991 End of Soviet Union Cold War Ends end of cold war