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53

TIL about the Wire of Dead, an electric fence along the whole border of Belgium and The Netherlands erected during WWI by the Germans to prevent anyone escaping to Neutral The Netherlands.

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E1g9d TIL the top part of a bottle which you drink from is called the Bore
yrrp TIL that during prohibition, an exemption was made for whiskey prescribed by a doctor and sold through a pharmacy. The Walgreens pharmacy chain grew from 20 retail stores to almost 400 during this period, from 1920 to 1933.
ANamn TIL that the "drink 8 glasses of water a day" is based on a 1945 recommendation that had no medical basis. The current recommendation is "drink when you are thirsty, unless you are outside on a hot day or are elderly- then drink a bit more."
Yo8d TIL the lowest sound ever recorded is 57 octaves below middle-C and is from a black hole in the Perseus Cluster.
vPeLL TIL Descendents of Alexander Hamilton and Aaron Burr re-enacted their ancestors famous duel 200 years later