Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
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The World Trade Center towers used to have two zip codes, 10047-10048, one for each building.
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English sailors were referred to as "limeys" because sailors added lime juice to their diet to combat scurvy.
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During World War 1, Harry Houdini took 1 year off performing to help sell war bonds and teach american soldiers how to escape from German handcuffs.
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The universally popular Hershey bar was used overseas during World War II as currency.
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Henry Ford was Charles Lindbergh's first passenger in the Spirit of St. Louis.
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During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
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Ancient Romans at one time used human urine as an ingredient in their toothpaste.
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