Harry S. Truman was the last U.S. President with no college degree.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Henry Ford was Charles Lindbergh's first passenger in the Spirit of St. Louis.
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A B-25 bomber airplane crashed into the 79th floor of the Empire State Building on July 28, 1945.
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There's no evidence that pirates made people walk the plank.
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Clocks made before 1660 had only one hand - an hour hand.
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