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The first object to be placed successfully in orbit around the Earth.
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On this date Explorer 1 was launched. It was the first United States satellite to orbit the Earth.
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The NASA (National Aeronautics and Space Administration) was formed.
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A man from Russia, Yuri Gagarin, was the first human to enter space and orbit the Earth.
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Alan Shepard was the first United States citizen to ever go into space.
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John Glenn was the first United States citizen to orbit the Earth successfully.
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Neil Armstrong and Edwin "Buzz" Aldrin were the first men to walk on the moon. Neil was the first and then Buzz following close behind.
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The first re-usable space craft was launched. The very first American space shuttle had entered space.
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Shortly after take-off, the space shuttle Challenger explodes.
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The International Space Station begins to have human habitation.
