Bizarre Mysteries That Remain Unsolved to This Day

Dancing Plague of 1518

In July 1518, a woman began suddenly dancing on the streets. Within a month, 400 others had joined her—and nobody could stop. Many died from exhaustion. It is thought that the phenomenon was caused by mass hysteria, or an act to please divine powers, but no definite conclusions have ever been reached.

King Arthur

One of history's most disputed figures was King Arthur, who was said to have led the defense of Britain against Saxon invaders in the late 5th and early 6th centuries. The details of Arthur's existence are based on folklore and legend; historians agree that Arthur most likely did not exist. Regardless, Arthur's mythic power only grew stronger with each passing century.

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The More You Know

  • Male seahorses bear their young.
  • Surfaces near the equator move much faster than those in other locations on Earth.
  • Alexander the Great encouraged his men to shave so enemies couldn't grab their beards during battles.
  • 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."
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Post originally appeared on Upbeat News.