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| ||12 BC: The Roman Emperor Augustus is named Pontifex Maximus, incorporating the position into that of the Emperor. Pic.
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| ||1521: Ferdinand Magellan arrives at Guam. Pic.
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| ||1558: Luca Gaurico dies ... astrologer. Pic.
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| ||1613: Stjepan Gradić born ... philosopher and mathematician. Pic.
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| File:Henry Oldenburg.jpg|link=Henry Oldenburg (nonfiction)|1665: The first joint Secretary of the Royal Society, [[Henry Oldenburg (nonfiction)|Henry Oldenburg]], publishes the first issue of ''Philosophical Transactions of the Royal Society''. | | File:Henry Oldenburg.jpg|link=Henry Oldenburg (nonfiction)|1665: The first joint Secretary of the Royal Society, [[Henry Oldenburg (nonfiction)|Henry Oldenburg]], publishes the first issue of ''Philosophical Transactions of the Royal Society''. |
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| ||1683: Camillo-Guarino Guarini dies ... architect of the Piedmontese Baroque, active in Turin as well as Sicily, France, and Portugal. He was a Theatine priest, mathematician, and writer. Pic.
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| ||1741: Euler writes to Goldbach that he has proved “a theorem of Fermat’s” according to which primes p = 4n + 3 cannot divide a sum of two squares a2+b2 except when both a and b are divisible by p. Correspondence of Euler and Goldbach. https://pballew.blogspot.com/2019/03/on-this-day-in-math-march-6.html Pic.
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| ||1787: Joseph von Fraunhofer, German physicist and astronomer born ... His original work was mainly concerned with optics and spectroscopy. In particular he carried out a classical redetermination of the speed of light by A. H. L. Fizeau's method (see Fizeau-Foucault Apparatus), introducing various improvements in the apparatus, which added greatly to the accuracy of the results. Pic.
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| ||1805: Legendre introduced least squares. Gauss had them ten years earlier but had not published, so some controversy ensued. *VFR https://pballew.blogspot.com/2019/03/on-this-day-in-math-march-6.html Pic.
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| ||1815: Wilhelm Olbers, an amateur German astronomer who was a doctor by profession, discovered the periodic comet now named for him. https://pballew.blogspot.com/2019/03/on-this-day-in-math-march-6.html Pic.
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| ||1832: Gauss responds to his “old, unforgettable friend,” Farkas (Wolfgang) Bolyai, that he has been working on non-Euclidean geometry “in part already for 30–35 years.” In the same letter Gauss points out several flaws in Euclid. https://pballew.blogspot.com/2019/03/on-this-day-in-math-march-6.html Pic.
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| ||1838: John Stevens dies ... lawyer, engineer, and inventor who constructed the first U.S. steam locomotive, first steam-powered ferry, and first U.S. commercial ferry service from his estate in Hoboken. He was influential in the creation of U.S. patent law. Pic.
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| ||1841: Marie Alfred Cornu born ... physicist. The French generally refer to him as Alfred Cornu. His work mainly concerned optics and spectroscopy. He carried out a classical redetermination of the speed of light by A. H. L. Fizeau's method (see Fizeau-Foucault Apparatus), introducing various improvements in the apparatus, which added greatly to the accuracy of the results. Pic.
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| File:The Governess.jpg|link=The Governess|1846: Social activist and alleged superhero [[The Governess]] warns the United States of America not to begin its upcoming Civil War ahead of schedule.
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| File:Cesare_Arzelà.jpg|link=Cesare Arzelà (nonfiction)|1847: Mathematician [[Cesare Arzelà (nonfiction)|Cesare Arzelà]] born. He will contribute to the theory of functions, notably his characterization of sequences of continuous functions. | | File:Cesare_Arzelà.jpg|link=Cesare Arzelà (nonfiction)|1847: Mathematician [[Cesare Arzelà (nonfiction)|Cesare Arzelà]] born. He will contribute to the theory of functions, notably his characterization of sequences of continuous functions. |
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| ||1866: William Whewell dies ... priest, historian, and philosopher. Pic.
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| ||1866: Mathematician and academic Ettore Bortolotti born. He will work in differential geometry; he will also publish comments in support [?] of Einstein's theory of relativity. Pic.
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| ||1867: Wild West showman and manned kite pioneer Samuel Franklin Cowdery (later Cody) born ... designed, built, and flew in large kites known as Cody War-Kites, that were used by the British in World War I as a smaller alternative to balloons for artillery spotting. Pic.
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| ||1869: Dmitri Mendeleev presents the first periodic table to the Russian Chemical Society. Pic.
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| File:Thomas Joannes Stieltjes.jpg|link=Thomas Joannes Stieltjes (nonfiction)|1876: Mathematician [[Thomas Joannes Stieltjes (nonfiction)|Thomas Joannes Stieltjes]] uses continued fraction theory to fight [[crimes against mathematical constants]].
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| ||1900: Gottlieb Wilhelm Daimler dies ... engineer, industrial designer and industrialist. Daimler was a pioneer of internal-combustion engines and automobile development. He invented the high-speed liquid petroleum fueled engine. Daimler and his lifelong business partner Wilhelm Maybach were two inventors whose goal was to create small, high-speed engines to be mounted in any kind of locomotion device. In 1883 they designed a horizontal cylinder layout compressed charge liquid petroleum engine that fulfilled Daimler's desire for a high speed engine which could be throttled, making it useful in transportation applications. This engine was called Daimler's Dream. Pic.
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| ||1901: Naum Ilyich Akhiezer born ... mathematician ... known for his works in approximation theory and the theory of differential and integral operators. He is also known as the author of classical books on various subjects in analysis, and for his work on the history of mathematics. Pic.
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| ||1912: August Joseph Ignaz Toepler born ... physicist known for his experiments in electrostatics. Pic.
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| ||1913: This date was written by Niels Bohr on his first paper describing his new ideas on atomic structure, and mailed to his mentor, Ernest Rutherford. It was one of three historic papers he wrote on this subject. Pic.
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| File:Akiva Yaglom.jpg|link=Akiva Yaglom (nonfiction)|1921: Physicist, mathematician, statistician, and meteorologist [[Akiva Yaglom (nonfiction)|Akiva Yaglom]] born. He will contribute to statistical turbulence theory and random processes theory. | | File:Akiva Yaglom.jpg|link=Akiva Yaglom (nonfiction)|1921: Physicist, mathematician, statistician, and meteorologist [[Akiva Yaglom (nonfiction)|Akiva Yaglom]] born. He will contribute to statistical turbulence theory and random processes theory. |
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| ||1927: Gordon Cooper born ... engineer, pilot, and astronaut.
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| ||1927: Gabriel García Márquez born ... journalist and author, Nobel Prize laureate.
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| ||1930: Victor Andreevich Toponogov born ... mathematician, noted for his contributions to differential geometry and so-called Riemannian geometry "in the large". Pic.
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| File:Carl Louis Ferdinand von Lindemann.jpg|link=Ferdinand von Lindemann (nonfiction)|1939: Mathematician and academic [[Ferdinand von Lindemann (nonfiction)|Ferdinand von Lindemann]] dies. He proved (1882) that π (pi) is a transcendental number. | | File:Carl Louis Ferdinand von Lindemann.jpg|link=Ferdinand von Lindemann (nonfiction)|1939: Mathematician and academic [[Ferdinand von Lindemann (nonfiction)|Ferdinand von Lindemann]] dies. He proved (1882) that π (pi) is a transcendental number. |
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| ||1942: Yoji Totsuka born ... physicist. Pic.
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| ||1944: Ernst Julius Cohen dies ... chemist known for his work on the allotropy of metals. Pic.
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| ||1951: The trial of Ethel and Julius Rosenberg begins.
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| ||1953: James Watson and Francis Crick submitted to the journal Nature their first article on the structure of DNA. It was published in the 25 Apr 1953 issue. "We wish to put forward a radically different structure for the salt of deoxyribose nucleic acid. This structure has two helical chains each coiled around the same axis... Both chains follow right-handed helices... The novel feature of the structure is the manner in which the two chains are held together by purine and pyrimidine bases... They are joined together in pairs, a single base from one chain being hydrogen-bonded to a single base from the other chain, so that the two lie side by side with identical z-co-ordinates. One of the pair must be a purine and the other a pyrimidine in order for bonding to occur."* https://pballew.blogspot.com/2019/03/on-this-day-in-math-march-6.html Pic.
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| ||1961: Edgar Krahn dies ... mathematician. Pic.
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| ||1967: Joseph Stalin's daughter Svetlana Alliluyeva defects to the United States.
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| ||1969: Ivan Emanuel Wallin dies ... biologist who made the first experimental works on endosymbiotic theory. Nicknamed the "Mitochondria Man". https://www.google.com/search?q=Ivan+Emanuel+Wallin
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| ||1970: An explosion at the Weather Underground safe house in Greenwich Village kills three. Pic.
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| ||1975: For the first time the Zapruder film of the assassination of John F. Kennedy is shown in motion to a national TV audience by Robert J. Groden and Dick Gregory.
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| ||1981: Vladimir Borisovich Rojansky dies ... physicist, author and educator. Antimatter. Pic: https://www.aip.org/history-programs/niels-bohr-library/photos/rojansky-vladimir-d1
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| File:Rhizolith Group.jpg|link=Rhizolith Group|1981: Modern dance company [[Rhizolith Group]] debuts new work based on the life of [[Ayn Rand (nonfiction)|Ayn Rand]].
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| File:Ayn Rand signature 1949.svg|link=Ayn Rand (nonfiction)|1982: Writer and philosopher [[Ayn Rand (nonfiction)|Ayn Rand]] dies.
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| ||1992: The Michelangelo computer virus begins to affect computers.
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| ||2005: Hans Albrecht Bethe dies ... nuclear physicist who, in addition to making important contributions to astrophysics, quantum electrodynamics and solid-state physics, won the 1967 Nobel Prize in Physics for his work on the theory of stellar nucleosynthesis. Pic.
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| File:Superimposed Fraunhofer.jpg|link=Superimposed Fraunhofer|2009: Priceless block of four [[Superimposed Fraunhofer]] stamps, stolen the year before by the [[Forbidden Ratio]] gang, recovered by [[APTO]] field agents.
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| File:Dawn spacecraft model.png|link=Dawn (spacecraft) (nonfiction)|2015: The ''[[Dawn (spacecraft) (nonfiction)|Dawn]]'' space probe, having left Vesta, enters Ceres' orbit. ''[[Dawn (spacecraft) (nonfiction)|Dawn]]'' will study Vesta and Ceres, two of the three known protoplanets of the asteroid belt. | | File:Dawn spacecraft model.png|link=Dawn (spacecraft) (nonfiction)|2015: The ''[[Dawn (spacecraft) (nonfiction)|Dawn]]'' space probe, having left Vesta, enters Ceres' orbit. ''[[Dawn (spacecraft) (nonfiction)|Dawn]]'' will study Vesta and Ceres, two of the three known protoplanets of the asteroid belt. |
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| File:The Eel and Radium Jane Arm Wrestling.jpg|link=The Eel and Radium Jane Arm Wrestling|2017: ''[[The Eel and Radium Jane Arm Wrestling]]'' awarded Pulitzer Prize, declared "the most entertaining illustration of the year."
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| File:Green Sprouts.jpg|link=Green Sprouts (nonfiction)|2018: Signed first edition of ''[[Green Sprouts (nonfiction)|Green Sprouts]]'' used in [[high-energy literature]] experiments spontaneously develops [[Artificial intelligence (nonfiction)|artificial intelligence]].
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| </gallery> | | </gallery> |
