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  World War II meeting of the heads of government of the United States, the United Kingdom and the Soviet Union for the purpose of discussing Europe's postwar reorganization.
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  Scientists of the Manhattan Project readied themselves to watch the detonation of the world's first atomic bomb
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  The bombing of the Japanese cities of Hiroshima and Nagasaki by American atomic weapons in August 1945 began an arms race between the United States and the Soviet Union.
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  American foreign policy created to counter Soviet geopolitical expansion during the Cold War. It was first announced to Congress by President Harry S. Truman
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  Plan to finance rebuilding of Europe Financed 13 billion by the U.S.A
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  Soviet Union blocked the Western Allies railway, road, and canal access to the sectors of Berlin under Western control
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  Resources flown to West Germany from East after vehicles were blocked.
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  The North Atlantic Treaty Organization, also called the North Atlantic Alliance, is an intergovernmental military alliance between several North American and European states.
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  Albert was followed by Albert II who survived the V-2 flight but died on impact
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  North Korea invades South, with North aided by communism and South Korea aided by anti- communist countries
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  Death of Joseph Stalin
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  Nikita comes to power after Joseph Stalin's death
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  Start of the Vietnam war between North and South north being funded by USSR and China Communism, and South funded by USA and anti- communist countries.
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  20th-century competition between two Cold War rivals, the Soviet Union USSR and the United States US, for supremacy in spaceflight capability.
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  Sputnik 1 was the first artificial Earth satellite. The Soviet Union launched it into an elliptical low Earth orbit.
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  The dog Laika, the first living creature to orbit the Earth died on reentry
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  The National Aeronautics and Space Administration of the United States federal government is responsible for the civilian space program, as well as aeronautics and aerospace research.
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  United States U-2 spy plane was shot down while in Soviet airspace while performing video surveillance.
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  Russian cosmonaut Yuri Gagarin became the first human to travel into space when he launched into orbit on the Vostok 3KA-3 spacecraft
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  Wall that separates West and East Germany
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  Confrontation between the United States and the Soviet Union concerning American missile deployment in Italy and Turkey with consequent Soviet missile deployment in Cuba.
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  John F. Kennedy, the 35th President of the United States, was assassinated on November 22, 1963 in Dallas, Texas while riding in a motorcade in Dealey Plaza.
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  Neil Armstrong was the first man on the moon, arrived on Apollo 11
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  US trained Cubans to invade Cuba and start a revolution failed.
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  Insurgent groups the mujahideen fought against the Soviet Army and the Democratic Republic of Afghanistan.
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  Agreement of U.S.A and Soviet Union to eliminate use of short and intermediate range missiles.
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  Berlin Wall torn down to combine West and East Germany
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  The Congress of People’s Deputies elects General Secretary Mikhail Gorbachev as the new president of the Soviet Union.
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  West and East Germany re united as one single Germany
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  Soviet Union Dissolved separate states gain independence.