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TIL that the last Olympic gold medals entirely made out of gold were awarded in 1912.

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QNN1d TIL in 1868 Australia’s first touring cricket company consisted of 13 Aboriginal men from the Jardwadjali, Gunditjimara and Wotjobaluk nations in Australia. The men traveled to England to play 47 matches and were coached / captained by ex all-England cricketer Charles Lawrence
MQoV TIL that the only time the US had zero debt was in 1835, when President Andrew Jackson paid it all off
4kmYN TIL that 42 buildings in New York City have their own zip code. It's either because of their size, the money they generate, or the number of people who work in them.
DQrAr TIL that many people do not know a mother’s immune system can attack a pregnancy because of blood type differences
QdVk TIL Rolex is owned by a foundation which is registered as a charity and therefore pays no corporate tax