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TIL Alexander Clark sued and achieved the first successful school desegregation case in Iowa in 1868, 86 years before Brown v. Board of Education.

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GYB6J TIL the idea of black holes was first proposed in 1783 by John Michell, calling them "dark stars" and proposing a method to detect them by looking for star systems that showed the gravitational effects of two stars, but only one star was visible, which is indeed how scientists look for them today
OAN4 TIL that the English word “black” has the same origins as the French “blanc” and Spanish “blanco” meaning white.
E156W TIL that spiders can fly :/
ANWrn TIL insect antennae are often called 'feelers' because the insect waves them around. This is a misnomer because they are not only used for touch. The antennae are actually the insect’s 'nose' - they are used for the sense of smell. The paired antennae are made up of a number of individual joints.
8eLQV TIL that Winston Churchill was prescribed ‘Indefinite’ quantities of alcohol during prohibition