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TIL that 71 years before Rosa Parks, Ida B. Wells refused to give up her seat on a train and was thrown off by a group of white men. She later cofounded the NAACP but was kept off the list of founders by W.E.B. Du Bois.

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ne49o TIL because Grover Cleveland served on two non-consecutive terms as President, people get confused about the number of men that served as US Presidents (44) vs the number of Presidential Administrations (45).
6vVY TIL that Mark Twain repaid his pre-bankruptcy creditors in full, though he had no legal obligation to do so. “I am not a business man; and honor is a harder master than the law. It cannot compromise for less than a hundred cents on the dollar, and its debts never outlaw.”
4knPR TIL Ameland island, Netherlands, eliminated red in the light spectrum of streetlights and nearby offshore platforms since migrating birds took the cue to communicate all night long, and disoriented birds' internal compasses causing exhaustion. Blue-green lights increase migratory bird survival.
x6bko TIL that the Navajo language, spoken by many indigenous peoples in Arizona and New Mexico, is related to indigenous languages of northwestern Canada and Alaska, all of which form the proposed Na-Dené language family.
e0aZ4 TIL that breeding panda bears is extremely hard and requires a global cooperation because more than half of male pandas exhibit no sexual drive and female pandas are fertile only up to three days a year. One of the methods to encourage the mating pandas is "panda porn".