Template:Selected anniversaries/August 21: Difference between revisions
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||1660 – Hubert Gautier, French mathematician and engineer (d. 1737) | |||
||1665 – Giacomo F. Maraldi, French-Italian astronomer and mathematician (d. 1729) | |||
||1754 – William Murdoch, Scottish engineer and inventor, created gas lighting (d. 1839) | |||
||1789 – Augustin-Louis Cauchy, French mathematician and academic (d. 1857) | |||
||1814 – Benjamin Thompson, American-English physicist and colonel (b. 1753) | |||
||1836 – Claude-Louis Navier, French physicist and engineer (b. 1785) | |||
File:Wizard Jan Kochanowski.jpg|link=Jan_Kochanowski|1872: Poet and wizard [[Jan Kochanowski]] adapts [[Nebra sky disk (nonfiction)|Nebra sky disk]] for use as [[scrying engine]]. | File:Wizard Jan Kochanowski.jpg|link=Jan_Kochanowski|1872: Poet and wizard [[Jan Kochanowski]] adapts [[Nebra sky disk (nonfiction)|Nebra sky disk]] for use as [[scrying engine]]. | ||
||1888 – The first successful adding machine in the United States is patented by William Seward Burroughs. | |||
||1909 – Nikolay Bogolyubov, Russian mathematician and physicist (d. 1992) | |||
||1911 – The Mona Lisa is stolen by a Louvre employee. | |||
File:Harry Daghlian.gif|link=Harry Daghlian (nonfiction)|1945: Physicist [[Harry Daghlian (nonfiction)|Harry Daghlian]] is fatally irradiated in a criticality accident during an experiment with the Demon core at Los Alamos National Laboratory. | File:Harry Daghlian.gif|link=Harry Daghlian (nonfiction)|1945: Physicist [[Harry Daghlian (nonfiction)|Harry Daghlian]] is fatally irradiated in a criticality accident during an experiment with the Demon core at Los Alamos National Laboratory. | ||
||1957 – The Soviet Union successfully conducts a long-range test flight of the R-7 Semyorka, the first intercontinental ballistic missile. | |||
||1993 – NASA loses contact with the Mars Observer spacecraft. | |||
||1995 – Subrahmanyan Chandrasekhar, Indian-American astrophysicist and mathematician, Nobel Prize laureate (b. 1910) | |||
||2012 – William Thurston, American mathematician and academic (b. 1946) | |||
||2017 – Great American Eclipse traverses the continental United States. | |||
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Revision as of 18:52, 26 June 2017
1872: Poet and wizard Jan Kochanowski adapts Nebra sky disk for use as scrying engine.
1945: Physicist Harry Daghlian is fatally irradiated in a criticality accident during an experiment with the Demon core at Los Alamos National Laboratory.