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. | ||
||Paul Albert Gordan (d. 21 December 1912) was a German mathematician. He was known as "the king of invariant theory". Pic. | |||
||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. | ||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. | ||
Revision as of 17:20, 31 January 2018
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.