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1st Artificial Sattelite; Sputnik; USSR
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1st Mammal in Orbit; Laika (dog); USSR
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Mercury Program begins; US
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1st Man in Space; Yuri Gagarin; USSR
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1st US Astronaut in Space; Alan Shepard; US (Project Mercury)
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Gemini Program Began
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1st US Astronaut to Orbit Earth; John Glenn Jr.; US (Project Mercury)
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Apollo Program Began; US
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1st Woman in Space; Valentina Tereshkova; USSR
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1st Man on the Moon; Neil Armstrong; US Apollo 11
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Voyager I and II are Launched
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1st Space Shuttle Mission; Columbia; US
