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TIL the first and last time the national debt was paid off in full was 1835 by Andrew Jackson.

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0XbA TIL Michael Jackson invented and patented a shoe that allows the wearer to pull off the anti-gravity lean illusion used in his video for “Smooth Criminal” and during live performances.
negMG TIL that the pseudonym Mark Twain actually comes from an archaic name for two fathoms, and that previous iterations of his name included “Josh” and “Thomas Jefferson Snodgrass”.
VMYED TiL that there really are drugs and supplements that exist that boost cognitive function, though not to “Limitless” levels.
GDvG TIL that at age 12, Laura Ingalls Wilder defended herself against a sexual advance with a knife, and that her editor later cut the scene from her book (p. 1, last ¼th)
R5Qk6 TIL in the 80s, Nintendo of America had a strict rule that a third-party company could only publish up to five games a year for the NES in the US. Konami of America then got around this rule by forming a shell corporation called Ultra Games in 1988 to extend their annual library to ten games a year.