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TIL that Ulysses S. Grant, the 18th American President, sold firewood on street corners in St. Louis throughout the mid to late 1850's when he was struggling to make a living as a farmer.

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via reddit.com

RLR1 TIL they still make fruit-shaped Trix in Mexico!
neDyr TIL that Cleopatra lived closer in time to the building of the Pyramid in Memphis, TN than the building of the Great Pyramids of Egypt
QLWa TIL that Researchers have calculated that DNA has a 521 year half-life, meaning the oldest clone-able samples of DNA could be no more than 2 million years old, ruling out any possibility of ever replicating dinosaurs, as the youngest dinosaurs were around more than 65 million years ago.
LQ6E9 TIL rhesus macaque monkeys from Asia were released in Florida's Silver Springs park 100 years ago. Today there are thriving colonies across Florida, many carrying Herpes B (which is harmless to monkeys but deadly to humans). 50 people have been infected with Herpes B and 21 have died since 1932.
wo5yJ TIL ruminates like cows and camels gain protein by digesting some of the microbes that grow in their stomachs.