Template:Selected anniversaries/September 21: Difference between revisions

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||Edward Arthur Milne FRS (d. 21 September 1950) was a British astrophysicist and mathematician.
||Edward Arthur Milne FRS (d. 21 September 1950) was a British astrophysicist and mathematician.


||Mikimoto Kōkichi (b. 25 January 1858 – 21 September 1954) was a Japanese entrepreneur who is credited with creating the first cultured pearl and subsequently starting the cultured pearl industry with the establishment of his luxury pearl company Mikimoto. Pic.
||Mikimoto Kōkichi (d. 21 September 1954) was a Japanese entrepreneur who is credited with creating the first cultured pearl and subsequently starting the cultured pearl industry with the establishment of his luxury pearl company Mikimoto. Pic.


||1964 – The North American XB-70 Valkyrie, the world's first Mach 3 bomber, makes its maiden flight from Palmdale, California.
||1964 – The North American XB-70 Valkyrie, the world's first Mach 3 bomber, makes its maiden flight from Palmdale, California.


||1976 – Orlando Letelier is assassinated in Washington, D.C. He is a member of the Chilean socialist government of Salvador Allende, overthrown in 1973 by Augusto Pinochet.
||1976 – Orlando Letelier is assassinated in Washington, D.C. He is a member of the Chilean socialist government of Salvador Allende, overthrown in 1973 by Augusto Pinochet.
||Erika Cremer (d. 21 September 1996, Innsbruck) was a German physical chemist and Professor Emeritus at the University of Innsbruck who is regarded as one of the most important pioneer in gas chromatography. Pic.


||2002 – Robert L. Forward, American physicist and engineer (b. 1932)
||2002 – Robert L. Forward, American physicist and engineer (b. 1932)

Revision as of 11:48, 1 April 2018

  • 1576: Gerolamo Cardano dies. He was one of the most influential mathematicians of the Renaissance.

    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.

    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.

    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".

    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.

    1854: Signed first edition of Leonardo Draws Clock Head sells fifty thousand dollars.

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