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TIL Medieval people and ancient Romans washed their clothes in pee.

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xXjk TIL there is a map of the Internet
Me1oB TIL that malaria was once used to treat syphilis. Dr. Wagner von Jauregg injected sufferers with malaria-infected blood, causing an extremely high fever that would ultimately kill the disease. Jauregg won the Nobel Prize for the treatment and it remained in use until the development of penicillin.
wLQRP TIL Franklin Delano Roosevelt (the 32nd president) is related to the most other U.S. Presidents with a total of 11; 5 by blood and 6 by marriage. Notable mentions are George Washington, Ulysses S. Grant, and James Madison.
WjVo TIL that in Canada, women legally became people in 1929.
W71ML TIL 75% of food consumed worldwide is made by only 6 companies