Template:Selected anniversaries/December 12: Difference between revisions

Revision as of 06:27, 28 March 2018

1204: Rabbi, philosopher, astronomer, and physician Maimonides dies.
1685: Mathematician John Pell dies. He expanded the scope of algebra in the theory of equations.
1705: Inventor and priest Bartolomeu de Gusmão's uses Gnomon algorithm to communicate with John Pell.
1862: USS Cairo sinks on the Yazoo River, becoming the first armored ship to be sunk by an electrically detonated mine.
1901: Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
1921: Astronomer Henrietta Swan Leavitt dies. She discovered the relation between the luminosity and the period of Cepheid variable stars.
1994: Diagram of public-key cryptography generation sell for 1.7 million dollars.

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 File:Henrietta Swan Leavitt.jpg|link=Henrietta Swan Leavitt (nonfiction)|1921: Astronomer [[Henrietta Swan Leavitt (nonfiction)|Henrietta Swan Leavitt]] dies. She discovered the relation between the luminosity and the period of Cepheid variable stars.
-||1927 – Robert Noyce, American inventor and businessman, co-founded the Intel Corporation (d. 1990)
+||Robert Norton Noyce (b. December 12, 1927), nicknamed "the Mayor of Silicon Valley," was an American engineer who co-founded Fairchild Semiconductor in 1957 and Intel Corporation in 1968. He is also credited (along with Jack Kilby) with the realization of the first integrated circuit or microchip that fueled the personal computer revolution and gave Silicon Valley its name. Pic.
 ||1969 – Years of Lead: Piazza Fontana bombing: The offices of Banca Nazionale dell'Agricoltura in Piazza Fontana, Milan, are bombed.