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*not exact date, sometime in early 1950
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*not exact date, continues throughout decade
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*not exact date
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*not exact date
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*dies from a massive heart attack
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*not exact date
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*not exact date, continuous event
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*not exact date in june
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ends 1975
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launches "Space Age"
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Located close to North Pole to detect missile attack from Soviets on North America.
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International Treaty makes Antartica a scientific preserve