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Soviet Union launches Sputnik
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U.S launches and artificial satellite.
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Luna 2 probe reaches the moon
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First American in Space
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First Human orbits Earth
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First American orbits earth and Mariner 2 flies by Venus
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First women in space
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Mariner 4 space probe flies past mars
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Apollo 11 first manned moon landing
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Venera 7 lands on Venus
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First manned space station; Mars 3 drops capsule on mars
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Pioneer 7 sent toward Jupiter
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U.S. and Soviet Union launch first joint space mission