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| ||1454 – Amerigo Vespucci, Italian cartographer and explorer (d. 1512)
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| ||1564 – David Fabricius, German theologian, cartographer and astronomer (d. 1617) | | File:Sir Francis Ronalds.jpg|link=Francis Ronalds (nonfiction)|1815: Electrical engineer and inventor [[Francis Ronalds (nonfiction)|Francis Ronalds]] describes the first battery-operated clock in the ''Philosophical Magazine''. |
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| ||1758 – Franz Joseph Gall, German neuroanatomist and physiologist (d. 1828) | | File:Hans Christian Ørsted.jpg|link=Hans Christian Ørsted (nonfiction)|1851: Physicist and chemist [[Hans Christian Ørsted (nonfiction)|Hans Christian Ørsted]] dies. Ørsted discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism. |
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| ||1765 – After a campaign by the writer Voltaire, judges in Paris posthumously exonerate Jean Calas of murdering his son. Calas had been tortured and executed in 1762 on the charge, though his son may have actually committed suicide. | | File:Walter Kohn.jpg|link=Walter Kohn (nonfiction)|1923: Theoretical physicist, theoretical chemist, and Nobel laureate [[Walter Kohn (nonfiction)|Walter Kohn]] born. Kohn will develop density functional theory, which will make it possible to calculate quantum mechanical electronic structure by equations involving the electronic density. |
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| |File:Giuseppe Piazzi.jpg|link=Giuseppe Piazzi (nonfiction)|1766: Priest, mathematician, and astronomer [[Giuseppe Piazzi (nonfiction)|Giuseppe Piazzi]] uses [[Gnomon algorithm]] techniques to detect and counteract [[crimes against mathematical constants]].
| | File:Gerald Bull 1964.jpg|link=Gerald Bull (nonfiction)|1928: Engineer [[Gerald Bull (nonfiction)|Gerald Bull]] born. Bull will attempt to build artillery guns capable of launching satellites into orbit. |
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| File:Sir Francis Ronalds.jpg|link=Francis Ronalds (nonfiction)|1815: [[Francis Ronalds (nonfiction)|Francis Ronalds]] describes the first battery-operated clock in the Philosophical Magazine.
| | File:Jef Raskin holding Canon Cat model.png|link=Jef Raskin (nonfiction)|1943: Computer scientist [[Jef Raskin (nonfiction)|Jef Raskin]] born. Raskin will conceive and start the Macintosh project for Apple in the late 1970s. |
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| ||1841 – The U.S. Supreme Court rules in the United States v. The Amistad case that captive Africans who had seized control of the ship carrying them had been taken into slavery illegally.
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| ||1842 – The first documented discovery of gold in California occurs at Rancho San Francisco, six years before the California Gold Rush.
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| File:Hans Christian Ørsted.jpg|link=Hans Christian Ørsted (nonfiction)|1851: Physicist and chemist [[Hans Christian Ørsted (nonfiction)|Hans Christian Ørsted]] dies. He discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism.
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| ||Constantin Marie Le Paige (b. 9 March 1852) was a Belgian mathematician. He worked on the theory of algebraic form, especially algebraic curves and surface and more particularly for his work on the construction of cubic surfaces.
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| ||1862 – American Civil War: The USS Monitor and CSS Virginia fight to a draw in the Battle of Hampton Roads, the first battle between two ironclad warships.
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| File:Georg Cantor 1894.png|link=Georg Cantor (nonfiction)|1917: Mathematician and philosopher [[Georg Cantor (nonfiction)|Georg Cantor]] publishes new [[Set theory (nonfiction)|theory of sets]] derived from [[Gnomon algorithm functions]]. Colleagues hail it as "a magisterial contribution to science and art of detecting and preventing [[crimes against mathematical constants]]."
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| ||Walter Kohn (b. March 9, 1923) was an Austrian-born American theoretical physicist and theoretical chemist. He was awarded, with John Pople, the Nobel Prize in chemistry in 1998. The award recognized their contributions to the understandings of the electronic properties of materials.
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| File:Gerald Bull 1964.jpg|link=Gerald Bull (nonfiction)|1928: Engineer [[Gerald Bull (nonfiction)|Gerald Bull]] born. He will attempt to build artillery guns capable of launching satellites into orbit.
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| ||John Alan Robinson (b. 9 March 1930) was a philosopher, mathematician, and computer scientist.
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| ||1933 – Great Depression: President Franklin D. Roosevelt submits the Emergency Banking Act to Congress, the first of his New Deal policies.
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| ||Robert William Theodore Gunther (d. 9 March 1940) was a historian of science, zoologist, and founder of the Museum of the History of Science, Oxford.
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| File:The Eel Escapes Hydrolab.jpg|link=The Eel Escapes Hydrolab|1941: ''[[The Eel Escapes Hydrolab]]'' is "proof that [[The Eel]] is a criminal," according to [[Baron Zersetzung]].
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| File:Jef Raskin holding Canon Cat model.png|link=Jef Raskin (nonfiction)|1943: Computer scientist [[Jef Raskin (nonfiction)|Jef Raskin]] born. He will conceive and start the Macintosh project for Apple in the late 1970s. | |
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| ||1956 – Soviet forces suppress mass demonstrations in the Georgian SSR, reacting to Nikita Khrushchev's de-Stalinization policy.
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| ||1960 – Dr. Belding Hibbard Scribner implants for the first time a shunt he invented into a patient, which allows the patient to receive hemodialysis on a regular basis.
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| ||1961 – Sputnik 9 successfully launches, carrying a human dummy nicknamed Ivan Ivanovich, and demonstrating that Soviet Union was ready to begin human spaceflight.
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| ||1974 – The Mars 7 Flyby bus releases the descent module too early, dus it missing mars.
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| ||1974 – Earl Wilbur Sutherland, Jr., American pharmacologist and biochemist, Nobel Prize laureate (b. 1915)
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| ||1982 – "Krononauts" hosted an event in Baltimore, Maryland asking time-travelers to meet and demonstrate future science methods of Time travel.
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| ||1983 – Ulf von Euler, Swedish physiologist and pharmacologist, Nobel Prize laureate (b. 1905)
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| ||1997 – Comet Hale–Bopp: Observers in China, Mongolia and eastern Siberia are treated to a rare double feature as an eclipse permits Hale-Bopp to be seen during the day.
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| ||2011 – Space Shuttle Discovery makes its final landing after 39 flights.
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