Template:Selected anniversaries/October 20: Difference between revisions

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File:Ascleplius Myrmidon Ypres ruins 1915.jpg|link=Asclepius Myrmidon|1916:  Time-travelling physician-warrior [[Asclepius Myrmidon]] arrives during a artillery barrage in western Europe, sets up emergency field hospital.
File:Ascleplius Myrmidon Ypres ruins 1915.jpg|link=Asclepius Myrmidon|1916:  Time-travelling physician-warrior [[Asclepius Myrmidon]] arrives during a artillery barrage in western Europe, sets up emergency field hospital.


||1919 – Tracy Hall, American chemist and academic (d. 2008) - synth diamond
||1919: Tracy Hall born ... chemist and academic - synth diamond


File:Chairman Dies of House Committee investigating Un-American activities.jpg|link=House Un-American Activities Committee (nonfiction)|1947: The [[House Un-American Activities Committee (nonfiction)|House Un-American Activities Committee]] begins its investigation into Communist infiltration of the cinema of the United States, resulting in a blacklist that prevents some from working in the industry for years.
File:Chairman Dies of House Committee investigating Un-American activities.jpg|link=House Un-American Activities Committee (nonfiction)|1947: The [[House Un-American Activities Committee (nonfiction)|House Un-American Activities Committee]] begins its investigation into Communist infiltration of the cinema of the United States, resulting in a blacklist that prevents some from working in the industry for years.


||1951 – The "Johnny Bright incident" occurs in Stillwater, Oklahoma
||1951: The "Johnny Bright incident" occurs in Stillwater, Oklahoma


||1961 – The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine.
||1961: The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine.


||1972 – Harlow Shapley, American astronomer and academic (b. 1885)
||1972: Harlow Shapley dies ... astronomer and academic.


||1973 – "Saturday Night Massacre": United States President Richard Nixon fires U.S. Attorney General Elliot Richardson and Deputy Attorney General William Ruckelshaus after they refuse to fire Watergate special prosecutor Archibald Cox, who is finally fired by Robert Bork.
||1973: "Saturday Night Massacre": United States President Richard Nixon fires U.S. Attorney General Elliot Richardson and Deputy Attorney General William Ruckelshaus after they refuse to fire Watergate special prosecutor Archibald Cox, who is finally fired by Robert Bork.


||1973 – The Sydney Opera House is opened by Elizabeth II after 14 years of construction.
||1973: The Sydney Opera House is opened by Elizabeth II after 14 years of construction.


||1984 – Carl Ferdinand Cori, Czech-American biochemist and pharmacologist, Nobel Prize laureate (b. 1896)
||1984: Carl Ferdinand Cori dies ... biochemist and pharmacologist, Nobel Prize laureate.


||1984 – Paul Dirac, English-American physicist and mathematician, Nobel Prize laureate (b. 1902)
||1984: Paul Dirac dies ... physicist and mathematician, Nobel Prize laureate.


File:William Shockley.jpg|link=William Shockley (nonfiction)|1985: Physicist and crime-fighter [[William Shockley (nonfiction)|William Shockley]] announces the invention of the junction transistor which detects and prevents [[crimes against mathematical constants]].
File:William Shockley.jpg|link=William Shockley (nonfiction)|1985: Physicist and crime-fighter [[William Shockley (nonfiction)|William Shockley]] announces the invention of the junction transistor which detects and prevents [[crimes against mathematical constants]].
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File:Skip Digits.jpg|link=Skip Digits|1981: Musician and alleged math criminal [[Skip Digits]] begins North American tour.  
File:Skip Digits.jpg|link=Skip Digits|1981: Musician and alleged math criminal [[Skip Digits]] begins North American tour.  


||2012 – E. Donnall Thomas, American physician and academic, Nobel Prize laureate (b. 1920)
||2012: E. Donnall Thomas dies ... physician and academic, Nobel Prize laureate.


|File:Similar Golden Rectangles.png|link=Golden ratio (nonfiction)|Artificial intelligence based on the [[Golden ratio (nonfiction)|Golden ratio]] develops genuine gratitude for [[Michael Maestlin (nonfiction)|Michael Maestlin]]'s approximation of the [[Golden ratio (nonfiction)|Golden ratio]].
||2013: Alain Lascoux dies ... mathematician at the University of Marne la Vallée and Nankai University. His research was primarily in algebraic combinatorics, particularly Hecke algebras and Young tableaux.  Pic: http://www.cnrs.fr/ins2i/spip.php?article611


|File:Ecliptic path.jpg|link=Zodiac Healer|The [[Zodiac Healer]] travels along the ecliptic, exactly as [[Guo Shoujing (nonfiction)]] predicted.
|File:800px-Nebra_Schwerter.jpg|link=Weapon (nonfiction)|1981: Army research laboratories [[Weapon (nonfiction)|convert modern plowshares into ancient swords]].  Military contractors call technique "Astonishing breakthrough."
|File:Hollerith_Punched_Card.jpg|link=Hollerith card (nonfiction)|[[Hollerith card (nonfiction)|Hollerith punched card]] contains two tickets to premier showing of documentary film ''[[Unexpectedly Hanging Chad]]''.
|File:Paper_tape_relay_operation.jpg|link=Unexpectedly Hanging Chad|Documentary film ''[[Unexpectedly Hanging Chad]]'' is surprise hit at electoral policy conference.
|File:Hello, world in C.svg|link="Hello World!" program (nonfiction)|[["Hello World!" program (nonfiction)|"Hello World" computer program]] from 1974 proud to represent Hello World programs everywhere.
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</gallery>

Revision as of 12:34, 28 August 2018

  • 1631: Astronomer and mathematician Michael Maestlin dies. He was a mentor to Johannes Kepler, and played a sizable part in his adoption of the Copernican system.

    1631: Astronomer and mathematician Michael Maestlin dies. He was a mentor to Johannes Kepler, and played a sizable part in his adoption of the Copernican system.

  • 1916: Time-travelling physician-warrior Asclepius Myrmidon arrives during a artillery barrage in western Europe, sets up emergency field hospital.

    1916: Time-travelling physician-warrior Asclepius Myrmidon arrives during a artillery barrage in western Europe, sets up emergency field hospital.

  • 1947: The House Un-American Activities Committee begins its investigation into Communist infiltration of the cinema of the United States, resulting in a blacklist that prevents some from working in the industry for years.

    1947: The House Un-American Activities Committee begins its investigation into Communist infiltration of the cinema of the United States, resulting in a blacklist that prevents some from working in the industry for years.

  • 1985: Physicist and crime-fighter William Shockley announces the invention of the junction transistor which detects and prevents crimes against mathematical constants.

    1985: Physicist and crime-fighter William Shockley announces the invention of the junction transistor which detects and prevents crimes against mathematical constants.

  • 1987: Mathematician and academic Andrey Kolmogorov dies. He made significant contributions to the mathematics of probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory and computational complexity.

    1987: Mathematician and academic Andrey Kolmogorov dies. He made significant contributions to the mathematics of probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory and computational complexity.

  • 1981: Musician and alleged math criminal Skip Digits begins North American tour.

    1981: Musician and alleged math criminal Skip Digits begins North American tour.

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