Cold War By jpomare14 Aug 6, 1945 United States first used atomic bomb in war Aug 14, 1945 Japanese surrender End of World War II Period: Oct 15, 1945 to Oct 15, 1991 Cold War Sep 3, 1949 Soviets explode first atomic bomb Jun 25, 1950 Korean War begins Jul 27, 1953 Korean War ends Jun 18, 1954 CIA helps overthrow unfriendly regimes in Iran and Guatemala Jan 1, 1959 Cuba taken over by Fidel Castro Nov 6, 1960 John F. Kennedy elected President youngest man ever to be elected president Nov 22, 1963 President Kennedy assassinated in Dallas, Texas Apr 24, 1965 U.S. Marines sent to Dominican Republic to fight Communism Jul 20, 1969 Apollo 11 lands on the moon Jan 27, 1973 Cease fire in Vietnam between North Vietnam and United States Aug 8, 1974 President Nixon resigns Nov 9, 1989 Berlin Wall falls Aug 21, 1991 End of Soviet Union Cold War Ends