Template:Selected anniversaries/February 28: Difference between revisions
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||1925: The Charlevoix-Kamouraska earthquake strikes northeastern North America. | ||1925: The Charlevoix-Kamouraska earthquake strikes northeastern North America. | ||
||1929: Clemens von Pirquet dies ... physician and immunologist. | ||1929: Clemens von Pirquet dies ... physician and immunologist. He noticed that patients who had previously received injections of horse serum or smallpox vaccine had quicker, more severe reactions to a second injection. He, along with Béla Schick, coined the word ''allergy'' to describe this hypersensitivity reaction. Pic. | ||
||1932: Guillaume Bigourdan dies ... astronomer and academic. | ||1932: Guillaume Bigourdan dies ... astronomer and academic. Pic. | ||
||1933: Gleichschaltung: The Reichstag Fire Decree is passed in Germany a day after the Reichstag fire. | ||1933: Gleichschaltung: The Reichstag Fire Decree is passed in Germany a day after the Reichstag fire. | ||
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||1959: Discoverer 1, an American spy satellite that is the first object intended to achieve a polar orbit, is launched but fails to achieve orbit. | ||1959: Discoverer 1, an American spy satellite that is the first object intended to achieve a polar orbit, is launched but fails to achieve orbit. | ||
||1960: Teiji Takagi dies ... mathematician, best known for proving the Takagi existence theorem in class field theory. The Blancmange curve, the graph of a nowhere-differentiable but uniformly continuous function, is also called the Takagi curve after his work on it. | ||1960: Teiji Takagi dies ... mathematician, best known for proving the Takagi existence theorem in class field theory. The Blancmange curve, the graph of a nowhere-differentiable but uniformly continuous function, is also called the Takagi curve after his work on it. Pic. | ||
||1993: The Bureau of Alcohol, Tobacco and Firearms agents raid the Branch Davidian church in Waco, Texas with a warrant to arrest the group's leader David Koresh. Four ATF agents and six Davidians die in the initial raid, starting a 51-day standoff. | ||1993: The Bureau of Alcohol, Tobacco and Firearms agents raid the Branch Davidian church in Waco, Texas with a warrant to arrest the group's leader David Koresh. Four ATF agents and six Davidians die in the initial raid, starting a 51-day standoff. | ||
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||1998: First flight of RQ-4 Global Hawk, the first unmanned aerial vehicle certified to file its own flight plans and fly regularly in U.S. civilian airspace. | ||1998: First flight of RQ-4 Global Hawk, the first unmanned aerial vehicle certified to file its own flight plans and fly regularly in U.S. civilian airspace. | ||
||2006: Owen Chamberlain dies ... physicist and academic, Nobel Prize laureate. | ||2006: Owen Chamberlain dies ... physicist and academic, Nobel Prize laureate. Pic. | ||
||2010: Chushiro Hayashi dies ... astrophysicist. He will perform the astrophysical calculations that will lead to the Hayashi tracks of star formation, and the Hayashi limit that puts a limit on star radius. Pic: https://www.kyotoprize.org/en/laureates/chushiro_hayashi/ | ||2010: Chushiro Hayashi dies ... astrophysicist. He will perform the astrophysical calculations that will lead to the Hayashi tracks of star formation, and the Hayashi limit that puts a limit on star radius. Pic: https://www.kyotoprize.org/en/laureates/chushiro_hayashi/ | ||
Revision as of 18:07, 10 May 2019
1533: Philosopher and author Michel de Montaigne born. He will be one of the most significant philosophers of the French Renaissance, known for popularizing the essay as a literary genre.
1552: Clockmaker and mathematician Jost Bürgi born. He will be recognized during his own lifetime as one of the most excellent mechanical engineers of his generation.
1692: Physician, satirist, and polymath John Arbuthnot uses Gnomon algorithm techniques to rewrite existing manuscripts using satirical premises.
1901: Chemist, biochemist, peace activist, author, and educator Linus Pauling born.
1944: Der Reichsspritzenmeister develops new drug to stimulate crimes against mathematical constants.
2017: Steganographic analysis of excerpt from "Burglars" unexpected reveals "at least half a gigabyte of encrypted data, probably related to the ENIAC program".