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  Yalta Conference Cold War Begins
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  United States first used atomic bomb in war
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  Japanese surrender End of World War II
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  Winston Churchill delivers "Iron Curtain" Speech
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  Speech from Harry Truman , to support Greece and Turkey with economic and military aid
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  Truman declares active role in Greek Civil War
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  Aid from America to Europe after WW2
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  Mao Zedong, a Communist, takes control of China
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  Construction of Berlin Wall begins
 Wall beteen Berlin and East Germany
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  The Cuban missile crisis between the United States and the Soviet Union brought the world to the brink of nuclear war in October 1962.
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  U.S. Marines sent to Dominican Republic to fight Communism
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  Berlin Wall Falls
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  Communist governments fall in Czechoslovakia, Bulgaria, and Rumania; Soviet empire ends
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  End of Soviet Union Cold War Ends
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  Korean War begins June 1950