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TIL about United States v. Darby Lumber Co., a 1941 U.S. Supreme Court case that upheld federal min. wage and labor laws. Congress has the power to regulate interstate commerce, and can prevent states from using substandard labor practices to gain an economic advantage over other states.

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aQYb TIL only 11% of kamikaze pilots hit their targets.
R7LW7 TIL when a woman accidentally dropped her $4000 engagement ring in the cup of a street beggar, he did not sell it and instead returned it to her. In return, the woman raised $190,000 for him.
dOj7 TIL A study sent 12 fake patients to psychiatric hospitals and all but 1 were diagnosed with schizophrenia. After publication, an offended hospital challenged the author to fool them. He agreed. Hospital then diagnosed 21% of incoming patients as fakes. In reality, he sent no patients at all.
R55Yl TIL Mississippi in 1984 was the last state to sign the amendment allowing women to vote.
BPKL TIL that the English language went through a period where the sound of long vowels changed dramatically, it is known as the Great Vowel Shift and it happened ca. 1350 to 1600.