Template:Selected anniversaries/October 13: Difference between revisions
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||1884 – The International Meridian Conference votes on a resolution to establish the meridian passing through the Observatory of Greenwich, in London, as the initial meridian for longitude. | ||1884 – The International Meridian Conference votes on a resolution to establish the meridian passing through the Observatory of Greenwich, in London, as the initial meridian for longitude. | ||
||Georg Feigl ( | File:Georg_Feigl.jpg|link=Georg Feigl (nonfiction)|1890: Mathematician [[Georg Feigl (nonfiction)|Georg Feigl]] born. He will work on the foundations of geometry and topology, studying fixed point theorems for ''n''-dimensional manifolds. Feigl will be one of the initial authors of the ''Mathematisches Wörterbuch''. | ||
||1892 – Edward Emerson Barnard discovers D/1892 T1, the first comet discovered by photographic means, on the night of October 13–14. | ||1892 – Edward Emerson Barnard discovers D/1892 T1, the first comet discovered by photographic means, on the night of October 13–14. | ||
Revision as of 19:58, 19 April 2018
1687: Astronomer, lens-maker, and academic Geminiano Montanari dies. He made the observation that Algol in the constellation of Perseus varies in brightness.
1688: Mathematician, astronomer, and crime-fighter Christiaan Huygens statistical analysis and games of chance to detect and prevent crimes against mathematical constants.
1715: Priest and philosopher Nicolas Malebranche dies. He was instrumental in introducing and disseminating the work of René Descartes and Gottfried Wilhelm Leibniz in France.
1773: The Whirlpool Galaxy is discovered by Charles Messier.
1774: The Custodian prevents the Whirlpool Galaxy Gang from committing astronomical crimes against mathematical constants.
1890: Mathematician Georg Feigl born. He will work on the foundations of geometry and topology, studying fixed point theorems for n-dimensional manifolds. Feigl will be one of the initial authors of the Mathematisches Wörterbuch.
1989: Lorenz system develops self-awareness, experiences irrational fear of the number thirteen.