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USSR launches Sputnik 1.
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USSR launches Sputnik 2 which carried a small dog named Laika into orbit.
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Explorer 1 is launched.
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Explorer 2 is launced but it fails to reach orbit.
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The Vanguard 1 is launched.
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Sputnik 3 is launched.
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NASA is formed.
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Pioneer 1 is launched.
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Luna 1 is launched by the USSR
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Pioneer 4 is launched on a Earth-Moon trajectory
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NASA selected the "Mercury Seven".
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Luna 2 is launched
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Luna 3 orbits the Moon.
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Tiros 1 is launched.
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The US launches Discoverer XIV
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Yuri orbits the Earth.
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First American in Space
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Gus Grissom is launched.
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Gemini Program starts.
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John Glenn orbits the Earth
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Walter Schirra orbits the Earth
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Valentia Tereshkova first woman.
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President Kennedy is assassinated.
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Venus 3 is launched
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Luna 10 orbits moon.
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First men land on the moon.