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World War 2 started.
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World War 2 ends.
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An artificial earth satellite was sent to space by USSR called Sputnik 1
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USSR sent another satellite but in this satellite they also sent a dog called Laika. Since they could not risk a human's life so they sent Laika and unfortunately Laika died.
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The U.S.A attempted to launch their satellite but it failed and ended with a massive explosion.
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The Sputnik 1 disintegrated back to the earth into the atmosphere.
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The first U.S. satellite was launched.
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Vostok 1 was launched by USSR carrying Yuri Gagarin.
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The first U.S. astronaut, Alan Shepard, was carried into space by the Freedom 7 Space Capsule.
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President John F. Kennedy had announced his goal of putting man on the moon.
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Vostok 6 carried Valentia Tereshkova the First Lady on moon and it orbited the Earth 48 times.
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President John F. Kennedy was assassinated.