A Complete List of the Richest People Throughout History

Charles & David Koch

Their combined wealth comes out to $98 billion, money made in the oil and gas industry. Fred Koch developed a new way to refine oil into gas, and the brothers engaged in a legal battle to win the rights.

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The More You Know

  • A full jumbo jet tank has enough fuel to drive a car around the world four times.
  • In the 2011 census for the Czech Republic, over 15 thousand people listed their religion as Jedi.
  • The CIA reads up to 5 million Tweets a day.
  • Tears contain a natural painkiller, which reduces pain and improves your mood.
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