-
Development and testing of hydrogen bomb by Soviet Union
1940 - 1949 -
Truman Doctrine
U.S. aid to Turkey and Greece to prevent spread of Communism -
Communist takeover of mainland China by Mao Zedong
1947 - 1949 -
Marshall Plan
U.S. aid to Western Europe for war recovery and prevention of spread of Communism -
Soviet takeover of Czechoslovakia
-
Berlin Airlift
aid by air to Soviet-blockaded Berlin;
June 24, 1948 to May 12, 1949 -
Creation of North Atlantic Treaty Organization (NATO)
between Western European countries and the United States as a defensive military alliance -
Korean War.
June 1950 – 27 July 1953;
that leaves a divided Korean peninsula – North Korea (Communist) and South Korea -
Development and testing of hydrogen bomb by U.S.
-
Cuban revolution
led by Fidel Castro that leads to Communist takeover of that country;
July 26, 1953 – January 1, 1959 -
Creation of Warsaw Pact
etween U.S.S.R. and Eastern European satellites as a military alliance -
Vietnam War
that results in Communist-backed North Vietnam overtaking U.S.-backed South Vietnam;
November 1, 1955 - April 30, 1975 -
Launching of Sputnik satellite by Soviet Union
-
Berlin Wall divides the city into Communist East Berlin and free West Berlin
-
Cuban Missile Crisis
between U.S. and U.S.S.R. that almost leads to nuclear war;
October 14–28, 1962
