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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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Russia enters war against Japan
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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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Truman declares active role in Greek Civil War
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Marshall Plan is announced
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Communist takeover in Czechoslovakia
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Berlin Blockade begins
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Berlin Blockade ends
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NATO ratified
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Mao Zedong, a Communist, takes control of China
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Soviets explode there first atomic bomb
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Joe McCarthy begins Communist witch hunt
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Korean War begins
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Federal Civil Defense Administration established
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Rosenberg executions
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Korean War ends
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KGB established
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CIA helps overthrow unfriendly regimes in Iran and Guatemala
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Vietnam split at 17th parallel
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Warsaw Pact formed
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Rebellion put down in Communist Hungary. Egypt took control of Suez Canal; U.S. refused to help take it back
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Sputnik launched into orbit
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Khrushchev demands withdrawal of troops from Berlin
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Cuba taken over by Fidel Castro
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Khrushchev visits United States; denied access to Disneyland
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Soviet Union reveals that U.S. spy plane was shot down over Soviet territory
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John F. Kennedy elected President