Template:Selected anniversaries/December 21: Difference between revisions
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||1907 – The Chilean Army commits a massacre of at least 2,000 striking saltpeter miners in Iquique, Chile. | ||1907 – The Chilean Army commits a massacre of at least 2,000 striking saltpeter miners in Iquique, Chile. | ||
||Captain Forrest R. "Tex" Biard (b. December 21, 1912) was an American linguist in the U.S. Navy codebreaking organization during the Second World War. A pre-war student of Japanese, Biard's translation work is considered to have been an important part of American military success. | |||
File:Crossword.png|link=Crossword (nonfiction)|1913: Arthur Wynne's "word-cross", the first [[Crossword (nonfiction)|crossword puzzle]], is published in the ''New York World''. | File:Crossword.png|link=Crossword (nonfiction)|1913: Arthur Wynne's "word-cross", the first [[Crossword (nonfiction)|crossword puzzle]], is published in the ''New York World''. | ||
Revision as of 15:43, 2 December 2017
1878: Mathematician and philosopher Jan Łukasiewicz born. He will think innovatively about traditional propositional logic, the principle of non-contradiction and the law of excluded middle.
1913: Arthur Wynne's "word-cross", the first crossword puzzle, is published in the New York World.
1974: Fantasy Voronoi diagram upstages Fantasy Football.
1976: Chronography of 354 wins Pulitzer Prize.
1984: Mandelbrot set develops artificial intelligence, discovers new class of Gnomon algorithm functions.