A Complete List of the Richest People Throughout History

Alan Rufus

Though he lived back in 1093, the 1st Lord of Richmond would be worth about $195 billion dollars today. He made his money from a gift of William the Conquerer.

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The More You Know

  • The stars and flashes of light you see when you rub your eyes are called "phosphenes."
  • Mount Rushmore cost less than $1 million.
  • For every human on Earth, there are 1.6 million ants.
  • Hippos produce their own sunblock.
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