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93

TIL the origins of the dollar sign ($) are unknown

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oB0DW TIL that in 1943 the US banned selling sliced bread
VrJ8 TIL Physics dictate that unless otherwise contained a river will never flow straight for a distance greater than 10 times its width. It has to do with the center flowing faster and the friction induced by the banks.
e01B6 TIL that in Montreal, buildings cannot exceed a height of 233 m(764ft), in order not to hide the Mount Royal.
gwZD TIL Furcadia is the longest running mmorpg. It has been up since December 16 1996
5YpR TIL on this day in 1977 (15/08/1977) a signal was received on the Big Ear Telescope in Ohio that is thought to be from outside our Solar System. No signal of this type has been received before or since this.