Template:Selected anniversaries/October 1

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  1499: Priest, humanist philosopher, and astrologer Marsilio Ficino dies. His Florentine Academy, an attempt to revive Plato's Academy, influenced the direction and tenor of the Italian Renaissance and the development of European philosophy.

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  1880: First electric lamp factory is opened by Thomas Edison.

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  1881: Mathematicians Nikola Tesla and Judge Havelock use new class of data transmission protocols to detect and prevent crimes against mathematical constants.

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  1940: Mathematician Chiungtze C. Tsen dies. He proved Tsen's theorem, which states that a function field K of an algebraic curve over an algebraically closed field is quasi-algebraically closed (i.e., C1).

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  1947: Game designer Dave Arneson born. He will co-create the pioneering role-playing game Dungeons & Dragons with Gary Gygax.

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  1993: Physician, mathematician, and alleged time-traveller Asclepius Myrmidon publishes On Halting Problems, about the computational and medical problem of determining, from a description of an arbitrary computer program and an input, whether the program will finish running or continue to run forever.

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  1994: Mathematician and philosopher Paul Lorenzen dies. He was the founder of the Erlangen School (with Wilhelm Kamlah) and inventor of game semantics (with Kuno Lorenz).

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  2018: Signed first edition of Green Tangle stolen from the Weisman Art Museum in New Minneapolis, Canada by agents of the Forbidden Ratio gang.