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TIL that in 1864, a war was fought over bat poop. In the Chincha Islands War, Spain fought with Peru over control of a group of islands covered in bat poop up to 100 feet thick. Guano, when dried, was used as the one of the main ingredients of saltpeter, an early important component of gunpowder.

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pk9G TIL that when a scientist attempted to blow the whistle on the FDA for approving an unsafe medical device, the FDA installed spyware to record his private emails and surfing activities, and then used the information to smear him and other whistleblowers.
ADdax TIL, Gropecunt Lane was a street name found in English towns and cities during the Middle Ages, believed to be a reference to the prostitution centred on those areas
W598 TIL, Theodore Roosevelt referred to Thomas Paine, who came up with the terms “United States of America,” as a “filthy little atheist.”
wLlxY TIL Although there is currently no drug proven to make someone tell the truth, some countries like Russia, Canada, and India use truth serums.
1aaaW TIL that Budweiser is actually a stolen name from a Czech brewery in the city of Budvar (Budweiss) and they’ve been fighting over it since 1907.