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TIL Hummingbirds get their iridescent colors from microscopic "air-filled pancakes" in their feathers.

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ned9P TIL The oldest recorded marriage in the USA is from 1565, between a Spaniard and a free black woman.
BpaL TIL that at the end of WWII, Canada had the 4th largest air force and 3rd largest navy
5Vnok TIL that between 1983 and 2004, NBC ran 2 hours of comedy programming every Thursday night, known as "Must See TV". The lineup included some of the most iconic comedies of all time, such as Frasier, Seinfeld, Friends, and Will & Grace. They placed 1st almost every week. They now rank 4th.
VBpRZ Today I learned the person that attempted to assassinate Gerald Ford in 1975 is not only still alive, but has been out of prison for 16 years.
YJJx TIL currently in Mauritania 680,000 or 20% of the population is enslaved.