During the Gold Rush in 1849, some people paid as much as $100 for a glass of water!
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Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
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During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
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Canada's new flag, with its maple leaf design, was unfurled in 1965 in Ottawa!
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A baboon called Jackie became a private in the South African army in World War I.
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No one knows how many people died during the sinking of the Titanic.
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When Charles Darwin first discovered the Galapagos Tortoises, he tried to ride them!
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