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TIL it is possible to distinguish the parts of Berlin that were formerly West and East from the space: “East” Berlin uses sodium vapor lamps which produce a yellow color, whilst “West” Berlin uses fluorescent lamps produce a white color.

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bN8j TIL Wilmer McLean’s house was involved in the 1st Battle of Bull Run, where the Civil War began. After, he moved 120 miles away to Appomattox Courthouse to avoid further battles, and 2 years later, the Civil War ended in his parlor where General Lee surrendered to General Grant.
BgXVk TIL that the first parking restrictions were in ancient Assyria in c700 BCE. They were made by king Sennacherib about the prohibition to park along the sacred road. The oldest parking signs read "Royal Road - let no man decrease it". The penalty was death followed by impaling outside one's own home
wpeJ TIL there’s a conspiracy theory that Belgium doesn’t exist
mxvoy TIL why firefighters respond to all kinds of emergencies, not just fires/wrecks. Fires were the start, but they now do incidents like medical, water, hazmat, people trapped, etc. They grew to meet more safety needs & are trained for as many situations as possible so they can be first responders.
YOwZ TIL there is a secret swimming pool in the Mojave Desert that anyone can use. There are no roads, trails or signs that lead to the pool.