Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
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In Ancient Egypt, some people paid their taxes in honey.
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To take an oath, ancient Romans put a hand on their testicles
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The first telephone book was one page long and had only 50 names in it.
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In 1982, a high school student from Los Angeles, California unscrambled the Rubik's Cube in 22.95 seconds.
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The last time American Green cards were actually green was 1964.
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In 1700s, the deer skin was a common medium of exchange between the trading settlers and the native Red Indians in America. This is how a buck became a slang for a dollar.
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