› added 2 years ago

81

TIL during WW1 France lost 25% of its 18-30 year-old male population.

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bwX4 TIL for almost 30 years there is a sign on the flat roof of Mark Gubin’s building in the flight path of Mitchell International Airport in Milwaukee. A sign painted in letters 6 feet tall tells people arriving by air: “WELCOME TO CLEVELAND.”
XBlQ TIL There were as many as 60,000,000 (60 million) bisons in 1800. In 1900, there were only 300 left due to mass-hunting. A handful of ranchers saved the species from extinction. Today, the number of bisons is about 500,000. However, only 15 to 25 thousand of these are pure bisons and not hybrids.
NBON TIL that sand creates amazing geometric patterns when placed on a tone generator plate
GYoR7 TIL it takes four days of good sleep to fully recover from just 1 hour of needed sleep lost.
OG8wg TIL that public holidays in Greece include the "Day of the No,'" which honors Greece's refusal to surrender to the Axis Powers in 1940