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| ||1512 – Amerigo Vespucci, Italian cartographer and explorer (b. 1454)
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| |File:Pierre de Fermat.jpg|link=Pierre de Fermat (nonfiction)|1627: Mathematician [[Pierre de Fermat (nonfiction)|Pierre de Fermat]] uses [[Gnomon algorithm]] techniques to fight [[crimes against mathematical constants]].
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| File:Galileo by Leoni.jpg|link=Galileo Galilei (nonfiction)|1632: [[Galileo Galilei (nonfiction)|Galileo]]'s ''Dialogue Concerning the Two Chief World Systems'' is published. | | File:Galileo by Leoni.jpg|link=Galileo Galilei (nonfiction)|1632: [[Galileo Galilei (nonfiction)|Galileo]]'s ''Dialogue Concerning the Two Chief World Systems'' is published. |
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| File:Galileo Galilei.jpg|link=Galileo Galilei|1633: Astronomer, physicist, engineer, philosopher, mathematician, and crime-fighter [[Galileo Galilei]] calls the [[House of Malevecchio]] "a dynasty built on [[Crimes against physical constants|crimes against physics]]." | | File:Galileo Galilei.jpg|link=Galileo Galilei|1633: Astronomer, physicist, engineer, philosopher, mathematician, and crime-fighter [[Galileo Galilei]] calls the [[House of Malevecchio]] "a dynasty built on [[Crimes against physical constants|crimes against physics]]." |
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| ||Lambert Adolphe Jacques Quetelet (b. 22 February 1796) ForMemRS was a Belgian astronomer, mathematician, statistician and sociologist.
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| File:Carl Wilhelm Borchardt.jpg|link=Carl Wilhelm Borchardt (nonfiction)|1817: Mathematician and academic [[Carl Wilhelm Borchardt (nonfiction)|Carl Wilhelm Borchardt]] born. He will contribute to arithmetic-geometric mean theory, continuing work by Gauss and Lagrange. | | File:Carl Wilhelm Borchardt.jpg|link=Carl Wilhelm Borchardt (nonfiction)|1817: Mathematician and academic [[Carl Wilhelm Borchardt (nonfiction)|Carl Wilhelm Borchardt]] born. He will contribute to arithmetic-geometric mean theory, continuing work by Gauss and Lagrange. |
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| ||1819 – By the Adams–Onís Treaty, Spain sells Florida to the United States for five million U.S. dollars.
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| ||1824 – Pierre Janssen, French astronomer and mathematician (d. 1907)
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| ||Leonhard Sohncke (b. 22 February 1842) was a German mathematician who classified the 65 space groups in which chiral crystal structures form, called Sohncke groups. Pic.
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| ||Nikolay Yakovlevich Sonin (b. February 22, 1849) was a Russian mathematician.
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| File:Carl Friedrich Gauss 1840 by Jensen.jpg|link=Carl Friedrich Gauss (nonfiction)|1850: Mathematician, astronomer, physicist, and crime-fighter [[Carl Friedrich Gauss (nonfiction)|Carl Friedrich Gauss]] publishes new class of [[Gnomon algorithm functions]] with applications in crimes against [[Crimes against mathematical constants|mathematics]], [[Crimes against astronomical constants|astronomy]], and [[Crimes against physical constants|physics]].
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| ||Heinrich Rudolf Hertz (b. 22 February 1857) was a German physicist who first conclusively proved the existence of the electromagnetic waves theorized by James Clerk Maxwell's electromagnetic theory of light. The unit of frequency — cycle per second — was named the "hertz" in his honor.
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| ||1879 – Johannes Nicolaus Brønsted, Danish chemist and academic (d. 1947)
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| ||1903 – Frank P. Ramsey, English economist, mathematician, and philosopher (d. 1930)
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| ||1909 – The sixteen battleships of the Great White Fleet, led by USS Connecticut, return to the United States after a voyage around the world.
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| ||1915 – World War I: The Imperial German Navy institutes unrestricted submarine warfare.
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| ||1924 – U.S. President Calvin Coolidge becomes the first President to deliver a radio address from the White House.
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| ||Roy Lee Adler (b. February 22, 1931) was an American mathematician. Adler studies dynamical systems, ergodic theory, symbolic and topological dynamics and coding theory. Pic.
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| File:Justin Virgilius Capră.jpg|link=Justin Capră (nonfiction)|1933: Engineer and inventor [[Justin Capră (nonfiction)|Justin Capră]] born. He will design fuel-efficient cars, unconventional engines, aircraft, and jet backpacks.
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| ||Max Karl Werner Wien (d. 22 February 1938) was a German physicist and the director of the Institute of Physics at the University of Jena.
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| ||The Mask of Warka was discovered on 22 February 1939 by the expedition of the German Archaeological Institute, led by Dr A. Nöldeke, in the city of Uruk south of modern Baghdad. The Mask was found in the Eanna (or Ianna) district of the city — so named for the goddess Inanna to whom the temples are dedicated.
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| ||Karl Adolf Hessenberg (d. February 22, 1959) was a German mathematician and engineer. The Hessenberg matrix form is named after him.
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| File:Vandal Savage solar eclipse.jpg|link=Vandal Savage (nonfiction)|1973: Entrepreneur and alleged supervillain [[Vandal Savage (nonfiction)|Vandal Savage]] releases an orbital swarm of spy-satellites which will, over decades, seek out and reverse-engineer [[Corona (satellite) (nonfiction)|Corona reconnaissance satellites]], among other spacecraft.
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| ||Oskar Perron (d. 22 February 1975) was a German mathematician. He made numerous contributions to differential equations and partial differential equations, including the Perron method to solve the Dirichlet problem for elliptic partial differential equations. Pic.
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| ||Michael Polanyi, FRS (d. 22 February 1976) was a Hungarian-British polymath, who made important theoretical contributions to physical chemistry, economics, and philosophy. He argued that positivism supplies a false account of knowing, which if taken seriously undermines humanity's highest achievements.
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| ||Maxwell Herman Alexander "Max" Newman, FRS (d. 22 February 1984) was a British mathematician and codebreaker.
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| File:Andy Warhol.jpg|link=Andy Warhol (nonfiction)|1987: Artist [[Andy Warhol (nonfiction)|Andy Warhol]] dies. He was a leading figure in the [[Pop art (nonfiction)|Pop art]] movement. | | File:Andy Warhol.jpg|link=Andy Warhol (nonfiction)|1987: Artist [[Andy Warhol (nonfiction)|Andy Warhol]] dies. He was a leading figure in the [[Pop art (nonfiction)|Pop art]] movement. |
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| File:Dame Mary Lucy Cartwright.jpg|link=Mary Cartwright (nonfiction)|1988: Mathematician and crime-fighter [[Mary Cartwright (nonfiction)|Mary Cartwright]] uses chaos theory principles to detect and prevent [[crimes against mathematical constants]].
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| ||1994 – Aldrich Ames and his wife are charged by the United States Department of Justice with spying for the Soviet Union.
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| File:Kh-4b corona.jpg|link=Corona (satellite) (nonfiction)|1995: The [[Corona (satellite) (nonfiction)|Corona reconnaissance satellite program]], in existence from 1959 to 1972, is declassified. | | File:Kh-4b corona.jpg|link=Corona (satellite) (nonfiction)|1995: The [[Corona (satellite) (nonfiction)|Corona reconnaissance satellite program]], in existence from 1959 to 1972, is declassified. |
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| ||1997 – In Roslin, Midlothian, British scientists announce that an adult sheep named Dolly has been successfully cloned.
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| ||2002 – Angolan political and rebel leader Jonas Savimbi is killed in a military ambush.
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| File:Spiral Rings 2.jpg|link=Spiral Rings 2 (nonfiction)|2017: Steganographic analysis of [[Spiral Rings 2 (nonfiction)|Spiral Rings 2]] unexpectedly reveals evidence that [[Vandal Savage (nonfiction)|Vandal Savage]] spied on the [[Corona (satellite) (nonfiction)|Corona reconnaissance satellite program]].
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| </gallery> | | </gallery> |
