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Sputnik the 1st artificial satellite launched by USSR
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Laika the 1st mammal sent into orbit around Earth by USSR
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Mercury Program begins by the US
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1st man sent into space was Yuri Gagarin by USSR
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Alan Shepard was the 1st US astronaut in space by US
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Gemini Space Program Began by US
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John Glenn Jr. 1st US astronaut to orbit Earth by the US
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Valentina Tereshkova 1st woman in space by USSR
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Apollo Program Began by US
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Luna 9 1st US Moon Probe landed by Soviet Union
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Neil Armstrong 1st man on the Moon by US
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Voyager 1 and 2 launched
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Columbia 1st Space Shuttle Mission by US
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Sally Ride 1st US woman in space by USA
