Template:Selected anniversaries/September 21: Difference between revisions
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File:Supplice de 9 émigrés Octobre 1793.jpg|link=French Revolution (nonfiction)|1792: [[French Revolution (nonfiction)|French Revolution]]: The National Convention declares France a republic and abolishes the absolute monarchy. | File:Supplice de 9 émigrés Octobre 1793.jpg|link=French Revolution (nonfiction)|1792: [[French Revolution (nonfiction)|French Revolution]]: The National Convention declares France a republic and abolishes the absolute monarchy. | ||
||Moritz Hermann von Jacobi (b. 21 September 1801) was a German and Russian engineer and physicist born in Potsdam. Jacobi worked mainly in Russia. He furthered progress in galvanoplastics, electric motors, and wire telegraphy. Pic. | |||
File:Heike Kamerlingh Onnes.jpg|link=Heike Kamerlingh Onnes (nonfiction)|1853: Physicist and academic [[Heike Kamerlingh Onnes (nonfiction)|Heike Kamerlingh Onnes]] born. He will receive widespread recognition for his work, including the 1913 Nobel Prize in Physics for "his investigations on the properties of matter at low temperatures which led, ''inter alia'', to the production of liquid helium". | File:Heike Kamerlingh Onnes.jpg|link=Heike Kamerlingh Onnes (nonfiction)|1853: Physicist and academic [[Heike Kamerlingh Onnes (nonfiction)|Heike Kamerlingh Onnes]] born. He will receive widespread recognition for his work, including the 1913 Nobel Prize in Physics for "his investigations on the properties of matter at low temperatures which led, ''inter alia'', to the production of liquid helium". | ||
Revision as of 11:57, 1 April 2018
1576: Gerolamo Cardano dies. He was one of the most influential mathematicians of the Renaissance.
1577: Mathematician, cosmographer, and crime-fighter Pedro Nunes publishes new class of Gnomon algorithm functions based on navigation and cartography to detect and prevent crimes against mathematical constants at sea.
1792: French Revolution: The National Convention declares France a republic and abolishes the absolute monarchy.
1853: Physicist and academic Heike Kamerlingh Onnes born. He will receive widespread recognition for his work, including the 1913 Nobel Prize in Physics for "his investigations on the properties of matter at low temperatures which led, inter alia, to the production of liquid helium".
1854: Signed first edition of Leonardo Draws Clock Head sells fifty thousand dollars.