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TIL from 1976 to 1989 an unknown taping noise was audible worldwide on commercial and civilian communications (tv broadcast, commercial aviation, SW radio). The source was the Duga radar "The Russian Woodpecker" a huge over-the-horizon radar used by the Soviets as a missile detection system.

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kAxW TIL that Ripley’s Believe It or Not was researched by a man who spent every day at the NYC Public library for 52 years, discovering at least 62,192 amazing facts and anecdotes. One skeptical reader wrote 27,167 double-checking letters to sources and never found an unsubstantiated item.
7jR7 TIL In 1713, Venetian Baroque composer Giuseppe Tartini had the devil come to him in a dream where he played the violin with such virtuosity that the composer felt enchanted. Upon awakening, Tartini in an attempt to recreate what he had heard composed his greatest piece, which to him didn’t compare.
9oyp TIL the Prog rock band Yes broke up,members of Yes started a new band called Cinema. Cinema wrote an album largely based off of songs by Yes. While recording the Yes vocalist joined Cinema. Cinema changed its name to Yes. Yes released the album, titled 90125. 90125 became their most successful album
Oa1L TIL The last surviving ship of the White Star Line (who built the Titanic in 1908) appeared in France in 2012 and is still operable today (102 years old).
6jD7 TIL that in 1974, the Cleveland Indians (a Major League Baseball Team), hosted a “Ten Cent Beer Night”, without a limit to the number of purchases. A beer-fueled riot in the ninth inning forced the game to be forfeited, and victory given to the visiting team, the Texas Rangers.