npr.org

neBm9 TIL despite being one of the most common elements on Earth, aluminum was hard to isolate until the 1800s. It wasn't widely used for everyday things like coins and foil until the 1950s and 60s. At one point in history, it was more valuable than gold
ne8bo TIL Small Wisconsin town in 1967 planned to secede from state after accidentally being removed off the official highway map. Also there's a musical about it.
Oo9mR TIL the creative director of the NASA Voyager Golden Record project, Ann Druyan, recorded her brain waves in 1977 when she fell in love with Carl Sagan to be sent into interstellar space with the Voyager Spacecrafts