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TIL that Oliver Law was the first African American to lead US troops into war during the Spanish Civil War (1936-39), as part of the Lincoln volunteer batalion

gMwG4 TIL that Charles Young was the third African-American graduate of the United States Military Academy, the first black U.S. national park superintendent, first black military attaché, first black man to become a colonel in the United States Army, and highest-ranking black officer in the regular army
YmBv TIL In the novel Fight Club, Marla’s line after having sex with Tyler is “I want to have your abortion.” A producer deemed this too offensive, so David Fincher changed it to “I haven’t been fucked like that since grade school,” for the film.
OLEe TIL that during sleep cerebral spinal fluid flows through the brain on the OUTSIDE of the brain’s blood vessels and that the CSF removes brain cell waste including amyloid beta protein. This flow only occurs during sleep. Amyloid beta protein buildup is involved in alzheimer’s.
j6n5j TIL The Smoot–Hawley Act of '30 was an attempt to protect the US from foreign competition by imposing high tariffs. The consensus view among economists and historians is that the passage of the Act had, in fact, achieved an opposite effect to what was intended. It exacerbated the Great Depression
m1RDx TIL After Machiavelli's works were placed on the first Papal index of prohibited books, his family challenged the decision. The church eventually offered them to allow publication of a censored version of his works, with the author's name suppressed. His grandsons indignantly rejected the offer