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  His speech was about the "Iron Curtian" or the dividing line between freedom and communism in europe.
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  The CIA was established under the security act of 1947
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  a precedent for helping countries combat poverty, disease and malnutrition
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  The North Atlantic Treaty Organization NATO is created by the United States and many western European countries to defend Europe against Soviet aggression
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  Russia tested its first atomic bomb
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  Truman approves the development of the H-Bomb
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  North Koreans armed with weapons from Stalin invade South Korea
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  The Korean War begins the first armed conflict in the Cold War the global struggle between communism and democracy
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  The Vietnam War begins shortly after Vietnam is divided into communist North Vietnam and non-communist South Vietnam
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  a group of cubans along with the U.S. invade cuba at the Bay of Pigs
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  The Cuban Missile crisis sparks a major confrontation between the United States and the Soviet Union when the U.S discovers the existence of Soviet missile installations in Cuba.
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  Strategic Arms Limitation Treaty I SALT is signed by the Soviet Union and the United States limiting the building of weapons including nuclear missiles
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  The Soviet Union invades Afghanistan beginning a decade-long war that ends with their withdrawal in 1988
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  U.S. President Ronald Reagan and Soviet leader Mikhail Gorbachev sign INF treaty, which removes medium and short-range nuclear missiles
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  The berlin wall was taken down by the military and citizens