cold war By AustinBadker Aug 12, 1945 United States Army Air Force drops atom bomb on Hiroshima. Aug 16, 1945 United States Army Air Force drops atom bomb on Nagasaki. Apr 1, 1948 the start of the Berlin Airlift. Jun 24, 1948 The Soviet Union blockades road and rail traffic between Berlin and the West. Sep 9, 1948 democratic People's Republic established in North Korea. Feb 14, 1950 China and the Soviet Union sign a 30-year treaty of friendship. Jun 8, 1950 Harry Truman orders US troops to Korea. Jun 25, 1950 North Korean forces invade South Korea. Mar 5, 1953 Joseph Stalin dies. Nov 5, 1956 British and French paratroopers land at Port Said in Egypt. May 1, 1960 American U-2 spy plane shot over the Soviet Union. Nov 8, 1962 John F. Kennedy announces that the Cuban Missile Crisis is over. Apr 28, 1963 Fidel Castro visits the Soviet Union. Jun 20, 1963 Nikita Khrushchev and John Kennedy agree to establish a hot line to use in a Cold War crisis. Dec 2, 1989 The governments of the United States and the Soviet Union announce the end of the Cold War.