Template:Selected anniversaries/December 18

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  1889: Set theorist and crime-fighter Georg Cantor uses Gnomon algorithm to advance Set theory research.

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  1956: U.S. President Dwight D. Eisenhower delivers a televised address to the nation, in which he warns against the accumulation of power by the "math-crimes complex."

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  1965: Antikythera Team invents new class of Gnomon algorithm.

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  1976: Cube delivers lecture on geometry.

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  2016: Saccharomyces Cerevisiae Prison unable to contain supervillain Abomynous.