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Copper was first used
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Christopher Columbus discovered America
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N.C became a state.
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Gold was discovered in California.
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Abraham Lincoln was killed.
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Titanic sunk.
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WWI Started
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Empire state building opened.
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WWII Started
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NASA formed.
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John F. Kennedy was killed.
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Otzi the "Iceman" was found.
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9/11 occured
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Hurricane Katrina happened.