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TIL The Silk Road was often used for slave trade

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Y7aed TIL Stefan Cernetic, the man who falsely claimed to be the Prince of Montenegro and Macedonia for years, gained access to elite gatherings and met many European officials. In 2015, he even managed to fool Pamela Anderson by making her a countess.
8e9ZV TIL Walt Disney fired the creator of Goofy for trying to start a union.
0waw5 TIL a 'barrel' of crude oil is not today's standard 200L/55G barrel of commerce, but was originally the 40 gallon whiskey barrel before settling on, in 1866, the 42 gallon (159L) wine tierce established by English King Richard III in 1485, which we still use today
YpPgv TIL that white speed limit signs are the law, but the yellow speed limit signs are basically suggestions.
nW5OP TIL about the Weissenberg effect: when you stir certain unusual liquids, they sometimes climb up the stirring rod instead of being pushed outward. This strange behavior happens with some non-Newtonian fluids (liquids that don't flow like water) and is used in some manufacturing processes.