1. Two Roman dams
    in Spain
    are still in use
    after 1900 years.
  2. King Charles XIV of Sweden had a tattoo that read "Death to Kings"
  3. The Korean version of "LOL" is "KKK".
  4. There are 100 trillion atoms in a human cell and 100 trillion cells in the human body.
  5. Koalas sleep up to 20 hours a day.
  6. The original word for "bear" has been lost. Medieval people thought that saying the ferocious animal's name would summon it, so they used a euphemism that meant "the brown one" ("bear").
  7. Roman Gladiators rarely fought to the death or against animals and were considered celebrities of their time.
  8. There's a Twitter account that narrates WW2 in "real-time."
  9. Around 50% of Justin Bieber's followers on Twitter are fake, a report found.
  10. Honking your car horn, except in an emergency, is illegal in NYC.
  11. The average wage for a runway model is US$26,600 per year.
  12. In a three-hour game of American Football, the ball is in play for just 11 minutes.
  13. The modern British army has more horses than tanks.
  14. Men are struck by lightning five times more often than women.
  15. Multiplying 21978 by 4 reverses the order of the numbers: 87912.
  16. A koala's brain is only 0.2% of its body weight.
  17. We have more brain cells as a newborn baby than we will ever have again.
  18. Mice can cough.
  19. According to the Vatican, you can reduce the time you spend in purgatory by following the pope on Twitter.
  20. There are 16 countries in Africa with higher vaccination rates than the U.S.
  21. In 1631, a huge reprint of the King James Bible was recalled and burnt due to a single typo: the Seventh Commandment stated "Thou shalt commit adultery."
  22. After Hurricane Katrina, Cuba offered medical aid and Venezuela gasoline plus US$5 million. The U.S. rejected them all.
  23. A secret message was engraved inside Abraham Lincoln's pocket watch by a jeweler, and it was not discovered until 2009.
  24. There's a town in Spain where 700 people share the surname "Japon" as they are descendants of 17th-century samurais who stayed there after an embassy returned to Japan.
  25. The U.S. government's "official expert" on Marijuana from 1938 to 1962 once testified in court, under oath, that he had smoked marijuana and it turned him into a bat.
  26. In late 19th-Century, millions of American children learned in school that just one taste of alcohol could lead to blindness, madness or even spontaneous combustion.
  27. The Catholic Church considers the Theory of Evolution to be "virtually certain", and believes that intelligent design "isn't science even though it pretends to be."
  28. In China, it's illegal to use a wordplay or a pun in advertising or on television.
  29. Liechtenstein sent 80 men to the Austro-Prussian War and returned with 81, as they befriended one of the people from the opposition.
  30. The monarch of Norway's title is "Norway's King" rather than "King of Norway", signifying that he belongs to the country and not vice versa.
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