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TIL that some US spy satellites are named after actresses. Before a presentation to President Reagan, the National Reconnaissance Office (NRO) worried about mentioning projects codenamed URSULA, RAQUEL, and FARRAH. Reagan said "Those are friends of mine! I love those names!" NRO kept the names.

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KMw4 TIL that France has labor laws giving all employees 5 weeks of vacation time, Luxembourg: 25 days, Germany: 4 weeks, Croatia: 20 days, Venezuela: 15 days, Puerto Rico: 15 days, Saudi Arabia: 21 days, China: 5 days. The only country listed with 0 days: The United States
OGBVg TIL Yuma, Arizona is known as the sunniest city on earth. They have more than 4000 sunlight hours a year, meaning at least 90% of their year consists of sunny days.
wyvo TIL that the world’s oldest known dildo is approximately 30,000 years old.
mxOMR TIL about "Grain entrapment", when a person becomes submerged in grain and gets stuck, often suffocating beneath the corn.
ADQox TIL: The tensor tympani muscle causes the loud rumbling noise you hear when you close your eyes very tightly.