Here Are All of the US Presidents Ranked By Their IQ

Calvin Coolidge

Calvin Coolidge was the 30th president of the United States. He was from Plymouth Notch, Vermont, where he studied law and then ended up in the White House afterward. He had an IQ of 127. 

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The More You Know

  • One area of Canada has a weaker gravitational pull than the rest of Earth.
  • Finland has more saunas than cars.
  • Tree seeds were taken into orbit and planted as "Moon Trees."
  • The longest tennis rally lasted over 12 hours.
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