Template:Selected anniversaries/January 15: Difference between revisions
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||1969 – The Soviet Union launches Soyuz 5. | ||1969 – The Soviet Union launches Soyuz 5. | ||
File:Venera 7.jpg|link=Venera 7 (nonfiction)|1970: Soviet spacecraft [[Venera 7 (nonfiction)|Venera 7]] modified to run [["Hello World!" program (nonfiction)|"Hello World" program]]. | |File:Venera 7.jpg|link=Venera 7 (nonfiction)|1970: Soviet spacecraft [[Venera 7 (nonfiction)|Venera 7]] modified to run [["Hello World!" program (nonfiction)|"Hello World" program]]. | ||
||Ivan Georgievich Petrovsky, (d. 15 January 1973) Mathematician working mainly in the field of partial differential equations. He greatly contributed to the solution of Hilbert's 19th and 16th problems, and discovered what are now called Petrovsky lacunas. He also worked on the theories of boundary value problems, probability, and on the topology of algebraic curves and surfaces. | ||Ivan Georgievich Petrovsky, (d. 15 January 1973) Mathematician working mainly in the field of partial differential equations. He greatly contributed to the solution of Hilbert's 19th and 16th problems, and discovered what are now called Petrovsky lacunas. He also worked on the theories of boundary value problems, probability, and on the topology of algebraic curves and surfaces. | ||
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||1973 – Vietnam War: Citing progress in peace negotiations, President Richard Nixon announces the suspension of offensive action in North Vietnam. | ||1973 – Vietnam War: Citing progress in peace negotiations, President Richard Nixon announces the suspension of offensive action in North Vietnam. | ||
File:Hello, world in C.svg|link="Hello World!" program (nonfiction)|1974: [["Hello World!" program (nonfiction)|"Hello World" computer program]] from 1974 proud to represent [["Hello World!" program (nonfiction)|"Hello World" computer programs]] everywhere. | |File:Hello, world in C.svg|link="Hello World!" program (nonfiction)|1974: [["Hello World!" program (nonfiction)|"Hello World" computer program]] from 1974 proud to represent [["Hello World!" program (nonfiction)|"Hello World" computer programs]] everywhere. | ||
File:Cherenkov high-energy literature test reactor.jpg|link=High-energy literature|1975: Techniques from [[High-energy literature]] used in [["Hello World!" program (nonfiction)|"Hello World"]] research. | |File:Cherenkov high-energy literature test reactor.jpg|link=High-energy literature|1975: Techniques from [[High-energy literature]] used in [["Hello World!" program (nonfiction)|"Hello World"]] research. | ||
File:Voronoi-diagram-color-commentators.jpg|link=Fantasy Voronoi diagram|1982: [[Fantasy Voronoi diagram]] gambling ring convicted of [[crimes against mathematical constants|corrupting lottery ticket data]]. | File:Voronoi-diagram-color-commentators.jpg|link=Fantasy Voronoi diagram|1982: [[Fantasy Voronoi diagram]] gambling ring convicted of [[crimes against mathematical constants|corrupting lottery ticket data]]. | ||
Revision as of 09:20, 14 January 2018
1450: Polymath and crime-fighter Johannes Schöner uses Gnomon algorithm techniques.
1623: Statesman, scientist, and historian Paolo Sarpi dies. He was a proponent of the Copernican system, a friend and patron of Galileo Galilei, and a keen follower of the latest research on anatomy, astronomy, and ballistics at the University of Padua.
1896: Photographer and journalist Mathew Brady dies. He was one of the first American photographers, best known for his scenes of the Civil War.
1945: Mathematician Wilhelm Wirtinger dies. He contributed to complex analysis, geometry, algebra, number theory, Lie groups and knot theory.
1982: Fantasy Voronoi diagram gambling ring convicted of corrupting lottery ticket data.
2006: A capsule of dust samples collected by the spacecraft Stardust returns to Earth.