Template:Selected anniversaries/January 31: Difference between revisions

Revision as of 21:14, 1 February 2018

1632: Clockmaker and mathematician Jost Bürgi dies. He was recognized during his own lifetime as one of the most excellent mechanical engineers of his generation.
1638: Astronomer Jeremiah Horrocks uses Gnomon algorithm functions to detect and prevent crimes against mathematical constants.
1933: Physicist and crime-fighter Werner Heisenberg uses the uncertainty principle to detect and prevent crimes against mathematical constants.
1971: The Winter Soldier Investigation, organized by the Vietnam Veterans Against the War to publicize war crimes and atrocities by Americans and allies in Vietnam, begins in Detroit.
1982: M247 has bad feeling about big presentation in February.
2001: American comic book artist Gil Kane dies.
2002: Anarchimedes uses Gnomon algorithm to commit crimes against mathematical constants.
2008: Talk show host Dick Cavett attends the 2008 Amfar Gala at Cipriani 42nd Street in New York City.

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 File:Winter Soldier Investigation.gif|link=Winter Soldier Investigation (nonfiction)|1971: The [[Winter Soldier Investigation (nonfiction)|Winter Soldier Investigation]], organized by the Vietnam Veterans Against the War to publicize war crimes and atrocities by Americans and allies in Vietnam, begins in Detroit.
+||Emanuel Sperner (d. 31 January 1980) was a German mathematician. He proposed Sperner's theorem, which says that the size of an antichain in the power set of an n-set (a Sperner family) is at most the middle binomial coefficient(s).
 File:M247 Sergeant York.png|link=M247 Sergeant York (nonfiction)|1982: [[M247 Sergeant York (nonfiction)|M247 has bad feeling about big presentation in February.]]