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TIL: Africa has a "stonehenge" older than Stonehenge. Built "to mark the summer solstice and the arrival of the monsoons," Nabta Playa, "the oldest stone circle in the world" is among "Earth’s oldest astronomical" observatories. Over 7000 years old, it was found mostly-buried in sand in the 1970s.

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npOd TIL there is a man in Australia who ages one year for every four. After celebrating his 40th birthday, he had the physical body of a 10 year old.
JYxvk TIL of the Öland massacre, where an entire village was slaughtered and left where they fell for 1500 years. Into the modern era, children were warned to never play near it and the site lay undisturbed and out in the open
LkWQP TIL that the only four musical artists/groups to have a Top 40 single in the 1980's, 1990's, 2000's, and 2010's are Michael Jackson, Madonna, U2, and...Weird Al Yankovic
4k88J TIL that purple became associated with royalty due to a shade of it named Tyrian purple, which was created using the mucous glands of Murex snails. Even though it smelled horrible, this pigment was treasured in ancient times as a dye because its intensity deepened with time instead of fading away.
pD0A TIL as Secretary of State, Henry Kissinger delayed telling President Richard Nixon about the start of the Yom Kippur War in 1973 to keep him from interfering