Social Studies By kintzbaseball Period: Jan 1, 1945 to Dec 31, 1992 Cold War Timeline Feb 15, 1945 Yalta Conference/Agreement to temporarily divide Germany Aug 6, 1945 United States first used atomic bomb in war Aug 14, 1945 Japanese Surrender (V-J Day) Mar 15, 1946 Winston Churchill delivers "Iron Curtain" speech Jun 9, 1947 Marshall Plan Announced Jun 24, 1948 Berlin Blockade Begins Jul 12, 1949 NATO ratified Sep 10, 1949 Communist Mao Zedong takes control of China Sep 20, 1949 USSR explodes frist atomic bomb Feb 9, 1950 Joseph McCarthy begins Communist witch-hunt Jun 15, 1950 Korean War begins Jun 19, 1953 Rosenberg Trials Jul 10, 1953 Korean War ends Jul 21, 1954 Vietnam split at the 17th parallel May 15, 1955 Warsaw Pact formed Oct 4, 1957 Sputnik Launched Jan 15, 1959 Cuba taken over by Communists Fidel Castro May 15, 1960 U-2 spy plane shot down over USSR Nov 15, 1960 John F. Kennedy elected President Apr 15, 1961 Bay of Pigs invasion Aug 15, 1961 Construction of Berlin wall begins Oct 15, 1962 Cuban Missile Crisis Apr 15, 1975 Saigon, South Vietnam falls to Communism Nov 15, 1989 Berlin Wall falls Dec 15, 1989 Soviet empire falls Oct 15, 1990 Germany reunited Aug 15, 1991 U.S. and Russia sign formal end to the Cold War