Henry Ford was Charles Lindbergh's first passenger in the Spirit of St. Louis.
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Early American humans hunted car-size armadillos and used their shells for houses.
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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No one knows who designed the first American Flag.
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Approximately 25,000 workers died during the building of the Panama Canal, and approximately 20,000 of them contracted malaria and yellow fever.
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The Taj Mahal took 20 years and 20 thousand men to finish!
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The universally popular Hershey bar was used overseas during World War II as currency.
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In Ancient Greece, if a woman watched even one Olympic event, she was executed.
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