Here Are All of the US Presidents Ranked By Their IQ

Ulysses S. Grant

Grant led the Union Army as a Commanding General during the Civil War. After the war was won, he worked to weed out corruption within the Union to try and make a more hospitable environment for the slaves that had been freed. He had the lowest IQ of all the presidents, which is still slightly higher than the average IQ. Grant had an IQ of 120.

The More You Know

The world's most toxic mineral is cinnabar.
The first breakfast cereal had to be soaked overnight before it could be eaten.
Dr. Seuss wrote "Green Eggs and Ham" on a bet.
There's a Russian village where every resident is a tightrope walker.

Post originally appeared on Upbeat News.