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The first satellite to be realeased into space.
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Laika was a dog who was launched into space in Sputnik 2.
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Explorer 1, the first American satellite to reach orbit, is launched. It carried scientific equipment that lead to the discovery of the Van Allen radiation belt
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The National Aeronautics and Space Administration (NASA) is formed, it replaces the National Advisory Committee on Aeronautics (NACA).
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Luna 1 is launched by the USSR. It is the first man made object to orbit the Sun.
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The "Mercury Seven" astronauts are selected by NASA
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Luna 2 is launched. It impacts the Moon on September 13, becoming the first man-made object to do so
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Pioneer 1 is launched to a height of 70,700 miles
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Tiros 1, the first successful weather satellite, is launched
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The US launches Discoverer XIV, its first camera equipped spy satellite.
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John F. Kennedy is elected the 35th President of the United States.
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Yuri Gagarin orbits the Earth once and becomes the first man in space.
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Alan B. Shepard becomes the first American in space.
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NASA selects its second group of astronauts.
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Cosmonaut Valentia Tereshkova becomes the first woman in space.
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President Kennedy is assassinated.
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Mariner 4 returns close ranger images of Mars
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Lunar Orbiter 1 enters orbit around the Moon and takes the first picture of the Earth from that distance.
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Gus Grissom, Ed White, and Roger Chaffee are killed when a fire ignites in their Apollo 1 capsule while performing a test on the launch pad.
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Zond 5 is launched. It carried a biological payload (including two turtles) around the Moon and returned to Earth six days later.
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Neil Armstrong and Edwin "Buzz" Aldrin become the first men to walk on the Moon while crewmate Michael Collins orbits around the Moon alone.