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The USA sent the first US animals into space a monkey name Albert II, fruit flies, etc.
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The Soviet Union became the first nation to launch an artificial satellite into orbit around the Earth.
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The USSR sent the first animal into space a dog named Laika who was the first animal to orbit the Earth.
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The US launches the first US satellite Explorer 1, to achieve orbit around the Earth.
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The Soviet Union launched Luna II, the first spacecraft to successfully reach the moon.
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Soviet cosmonaut Yuri Gagarin became the first person to orbit the planet.
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Alan Shepard became the first American in space (did not orbit the Earth).
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Soviet cosmonaut Valentina Tereshkova became the first women in space.
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Soviet cosmonaut Alexey Leonov completed the first space walk.
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American astronaut Ed White became the first American to conduct a space walk.
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Apollo 11 was the first spaceflight that landed humans on the Moon. Americans Neil Armstrong and Buzz Aldrin were the humans that did so.
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The first space station was Salyut 1, which was launched by the Soviet Union.
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The first American space station made was Skylab.
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On June 18, 1983 US astronaut Sally Kristen Ride became the first US women in space.