Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
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Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
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Ice cream cones were popularized in America during the 1904 World’s Fair in Saint Louis when an ice cream vendor ran out of cups and asked a nearby waffle vendor to roll up his waffles to hold the ice cream.
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The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
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There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
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