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| File:John Arbuthnot.jpg|link=John Arbuthnot (nonfiction)|1667: Physician, satirist, and polymath [[John Arbuthnot (nonfiction)|John Arbuthnot]] born. He will invent the figure of John Bull. | | File:John Arbuthnot.jpg|link=John Arbuthnot (nonfiction)|1667: Physician, satirist, and polymath [[John Arbuthnot (nonfiction)|John Arbuthnot]] born. He will invent the figure of John Bull. |
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| ||1713: Francis Hauksbee the Elder dies ... scientist best known for his work on electricity and electrostatic repulsion. Pic: diagram.
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| File:David Rittenhouse by Charles Wilson Peale.jpg|link=David Rittenhouse (nonfiction)|link=David Rittenhouse (nonfiction)|1756: Inventor, astronomer, mathematician, clockmaker, and surveyor [[David Rittenhouse (nonfiction)|David Rittenhouse]] constructs an exceptionally accurate [[Orrery (nonfiction)|orrery]], which he will later use to create an early form of [[Time crystal (nonfiction)|time crystals (nonfiction)]].
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| ||1768: Georg Brandt dies ... chemist and mineralogist. Pic search: https://www.google.com/search?q=georg+brandt
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| ||1785: Karl Freiherr von Drais born ... forest official and significant inventor in the Biedermeier period. Dandy horse. Pic.
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| ||1833: William Babington dies ... physician and mineralogist. He was the curator for the enormous mineral collection of John Stuart, 3rd Earl of Bute. When Bute died in 1792, Babington bought the collection. The mineral Babingtonite is named after him. Pic.
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| ||1850: William Edward Story born ... mathematician. Pic.
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| File:Henri Poincaré.jpg|link=Henri Poincaré (nonfiction)|1854: Mathematician, physicist, and engineer [[Henri Poincaré (nonfiction)|Henri Poincaré]] born. He will make many original fundamental contributions to pure and applied mathematics, mathematical physics, and celestial mechanics. | | File:Henri Poincaré.jpg|link=Henri Poincaré (nonfiction)|1854: Mathematician, physicist, and engineer [[Henri Poincaré (nonfiction)|Henri Poincaré]] born. He will make many original fundamental contributions to pure and applied mathematics, mathematical physics, and celestial mechanics. |
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| ||1864: Abraham Pineo Gesner born ... physician and geologist. He invented kerosene. Pic.
| | File:Harold_Urey.jpg|link=Harold Urey (nonfiction)|1893: Chemist and astronomer [[Harold Urey (nonfiction)|Harold Urey]] born. Urey's pioneering work on isotopes will earn him the Nobel Prize in Chemistry in 1934 for the discovery of deuterium; he will also play a significant role in the development of the atom bomb, and contribute to theories on the development of organic life from non-living matter. |
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| ||1872: Forest Ray Moulton born ... astronomer and academic.
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| ||1876: Paul Antoine Aristide Montel born ... mathematician. He was born in Nice, France and died in Paris, France. He researched mostly on holomorphic functions in complex analysis. Pic: http://www.learn-math.info/mathematicians/historyDetail.htm?id=Montel
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| ||File:Alice Beta and Niles Cartouchian Play Chess.jpg|link=Alice Beta and Niles Cartouchian Play Chess|1880: Signed first edition of ''[[Alice Beta and Niles Cartouchian Play Chess]]'' briefly stolen from the British Museum by the [[Forbidden Ratio]]. The high-speedy robbery, which lasted approximately six hundred milliseconds, failed when one of [[Forbidden Ratio]]'s subsystems tripped and fell on the front steps of the museum.
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| ||1882: Hendrik Nicolaas Werkman born ... printer, typographer, and Nazi resister. Pic.
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| ||1882: The Electromote was the world's first vehicle run like a trolleybus, which was first presented to the public on April 29, 1882, by its inventor Dr. Ernst Werner von Siemens in Halensee, a suburb of Berlin, Germany. Pic.
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| ||1883: James Victor Uspensky born ... mathematician notable for writing ''Theory of Equations''. Pic.
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| File:John Havelock and Henri Poincaré.jpg|link=John Havelock and Henri Poincaré|1892: Mathematicians [[John Havelock and Henri Poincaré|John Havelock and Henri Poincaré]] co-publish a pioneering paper on applications of [[Gnomon algorithm]] functions to the early detection of emergent catastrophic events, forecasting the [[Chernobyl disaster (nonfiction)|Chernobyl disaster]] to within 98.37% accuracy.
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| ||1893: Harold Urey born ... chemist and astronomer, Nobel Prize laureate. Pic.
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| ||1894: Marietta Blau born ... physicist and academic. Pic.
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| ||1894: Giuseppe Battaglini born ... mathematician. Pic.
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| ||1906: Eugène Ehrhart born ... mathematician who introduced Ehrhart polynomials in the 1960s. Pic search: https://www.google.com/search?q=eugène+ehrhart
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| ||1915: Henry H. Barschall born ... physicist and academic. Pic: https://history.aip.org/phn/11410015.html
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| ||1915: Gerhard Paul Hochschild born ... mathematician who worked on Lie groups, algebraic groups, homological algebra and algebraic number theory. Pic.
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| ||1916: Jørgen Pedersen Gram dies ... mathematician and academic. Pic.
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| ||1924: Ernest Fox Nichols dies ... educator and physicist. He served as the 10th President of Dartmouth College. Pic.
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| ||1927: Walter Thirring born ... physicist after whom the Thirring model in quantum field theory is named. Pic search: https://www.google.com/search?q=walter+thirring
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| ||1937: Wallace Hume Carothers born ... chemist, inventor and the leader of organic chemistry at DuPont, credited with the invention of nylon. Pic.
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| ||1947: Irving Fisher dies ... economist, statistician, inventor, and Progressive social campaigner. Fisher made important contributions to utility theory and general equilibrium. His research on the quantity theory of money inaugurated the school of macroeconomic thought known as monetarism. Fisher was also a pioneer of econometrics, including the development of index numbers. Pic.
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| ||1951: Ludwig Wittgenstein dies ... philosopher and academic...He worked primarily in logic, the philosophy of mathematics, the philosophy of mind, and the philosophy of language. Pic.
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| ||1953: The first U.S. experimental 3D television broadcast showed an episode of Space Patrol on Los Angeles ABC affiliate KECA-TV.
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| ||1953: David Raymond Curtiss dies ... mathematician. He served as president of the Mathematical Association of America from 1935 to 1936. Pic.
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| ||1965: Pakistan's Space and Upper Atmosphere Research Commission (SUPARCO) successfully launches its seventh rocket in its Rehber series.
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| ||1966: William Eccles dies ... physicist and engineer. Pic: https://www.computerhope.com/people/william_eccles.htm
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| ||1967: After refusing induction into the United States Army the previous day, Muhammad Ali is stripped of his boxing title.
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| ||1970: Mathematician Paul Finsler dies. Finsler spaces were named after him by Élie Cartan in 1934. The Hadwiger–Finsler inequality, a relation between the side lengths and area of a triangle in the Euclidean plane, is named after Finsler and his co-author Hugo Hadwiger, as is the Finsler–Hadwiger theorem on a square derived from two other squares that share a vertex. Pic: https://neurosophie.wordpress.com/2015/03/22/paul-finsler-und-eine-welt-ohne-widerspruche/
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| File:Nixon April-29-1974.jpg|link=Watergate scandal (nonfiction)|1974: [[Watergate scandal (nonfiction)|Watergate scandal]]: United States President Richard Nixon announces the release of edited transcripts of White House tape recordings relating to the scandal.
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| ||1975: Vietnam War: Operation Frequent Wind: The U.S. begins to evacuate U.S. citizens from Saigon before an expected North Vietnamese takeover. U.S. involvement in the war comes to an end.
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| ||1984: Charles Bradfield Morrey Jr. dies ... mathematician who made fundamental contributions to the calculus of variations and the theory of partial differential equations. Pic.
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| File:Ascleplius Myrmidon Halting Problem.jpg|link=On Halting Problems|1985: [[On Halting Problems|Asclepius Myrmidon discovers an unlicensed halting problem]] "which will almost certainly result in a major radiation release event within a year."
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| File:Chernobyl disaster.jpg|link=Chernobyl disaster (nonfiction)|1986: [[Chernobyl disaster (nonfiction)|Chernobyl disaster]]: American and European spy satellites capture the ruins of the 4th Reactor at the Chernobyl Power Plant. | | File:Chernobyl disaster.jpg|link=Chernobyl disaster (nonfiction)|1986: [[Chernobyl disaster (nonfiction)|Chernobyl disaster]]: American and European spy satellites capture the ruins of the 4th Reactor at the Chernobyl Power Plant. |
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| File:The Shovel.jpg|link=The Shovel|1987: Steganographic analysis of ''[[The Shovel]]'' unexptedly reveals "at least a terabyte" of encrypted data, apparently a transdimensional contract requiring [[Egon Rhodomunde]] and [[Baron Zersetzung]] to "[[Chernobyl disaster (nonfiction)|blow up a nuclear power plant, and this time do it right]]". | | File:Albert Hoffman.jpg|link=Albert Hoffman (nonfiction)|2008: Chemist and academic [[Albert Hoffman (nonfiction)|Albert Hoffman]] dies. Hoffman is famous for discovering LSD, which he called his "problem child". |
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| ||1992: Los Angeles riots: Riots in Los Angeles, following the acquittal of police officers charged with excessive force in the beating of Rodney King. Over the next three days 63 people are killed and hundreds of buildings are destroyed.
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| ||1993: Wilhelm Hanle dies ... experimental physicist. He is known for the Hanle effect. During World War II, he made contributions to the German nuclear energy project, also known as the Uranium Club. Pic.
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| ||1997: The Chemical Weapons Convention of 1993 enters into force, outlawing the production, stockpiling and use of chemical weapons by its signatories.
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| ||1989: Physicist and chemical engineer Richard Collins Lord dies ... a pioneer in the use of infrared radiation for the study of molecular structure and is widely recognized for contributions made to the interpretation of the infrared spectra of molecules in terms of their vibrational motion, and also to our understanding of the cohesion of molecule by means of hydrogen bonding. His studies of the laser Raman spectroscopy of proteins and nucleic acids opened a new field of research. Pic: http://web.mit.edu/spectroscopy/events/lord.html
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| ||2001: Arthur B. C. Walker, Jr. dies ... physicist and academic ... solar physicist and a pioneer of EUV/XUV optics. He is most noted for having developed normal incidence multilayer XUV telescopes to photograph the solar corona. Pic: http://www.math.buffalo.edu/mad/physics/walker_arthurbc.html
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| ||2005: Louis Leithold dies ... mathematician and academic. Pic: http://chalkboardchampions.org/education/mathematics-teacher-louis-leithold-revolutionized-the-teaching-of-calculus/
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| ||2008: Albert Hofmann dies ... chemist and academic. Pic.
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| ||2010: Sandy Douglas dies ... computer scientist and academic, designed OXO. Pic: https://www.computerhope.com/people/alexander_douglas.htm http://www.douglashistory.co.uk/history/sandy_douglas.htm
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| ||2012: Roland Moreno dies ... engineer, invented the smart card. Pic.
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| ||2012: Joram Lindenstrauss dies ... mathematician working in functional analysis and geometry, particularly Banach space theory, finite- and infinite-dimensional convexity, geometric nonlinear functional analysis and geometric measure theory. Among his results is the Johnson–Lindenstrauss lemma which concerns low-distortion embeddings of points from high-dimensional into low-dimensional Euclidean space. Pic.
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| ||2013: Ernest Michael dies ... mathematician and scholar. Pic.
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| File:Two Creatures 3.jpg|link=Two Creatures 3 (nonfiction)|2018: The two creatures depicted in ''[[Two Creatures 3 (nonfiction)|Two Creatures 3]]'' officially petition the United Nations for political asylum.
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