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Soviet Union launches Sputnik
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U.S. launches an artificial satellite(Explorer 1)
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Luna 2 probe reaches the moon
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First American in space (Alan Shepard)
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First human orbits Earth (Yuri Gagarin)
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First American orbits Earth (John Glenn, Jr) Mariner 2 flies past venus
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First woman in space (Valentina Tereshkova)
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Mariner 4 space probe flies past mars
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Apollo 11 first manned moon landing (Neil Armstrong, Buzz Aldrin, Michael Collins)
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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
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U.S. and Soviet Union launch first joint space mission