Template:Selected anniversaries/June 20: Difference between revisions

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||1597 – Willem Barentsz, Dutch cartographer and explorer (b. 1550)
||1597: Willem Barentsz dies ... cartographer and explorer.


||1782 – The U.S. Congress adopts the Great Seal of the United States.
||1782: The U.S. Congress adopts the Great Seal of the United States.


||Ivan Mikhailovich Simonov (b.1794) was a Russian astronomer and a geodesist.
||1794: Ivan Simonov born ... astronomer and a geodesist.


||Abraham Gotthelf Kästner (d. 20 June 1800) was a German mathematician, academic, and epigrammatist.
||1800: Abraham Kästner dies ... mathematician, academic, and epigrammatist.


||Ferdinand Berthoud, died in Groslay (Val d’Oise) on June 20, 1807, and was a French scientist and watchmaker.
||1807: Ferdinand Berthoud dies ... scientist and watchmaker.


||1819 – The U.S. vessel SS Savannah arrives at Liverpool, United Kingdom. It is the first steam-propelled vessel to cross the Atlantic, although most of the journey is made under sail.
||1819: The U.S. vessel SS Savannah arrives at Liverpool, United Kingdom. It is the first steam-propelled vessel to cross the Atlantic, although most of the journey is made under sail.


||Karl Theodor Reye (born 20 June 1838) was a German mathematician. He contributed to geometry, particularly projective geometry and synthetic geometry, introducing the concept of configurations. The Reye configuration of 12 points, 12 planes, and 16 lines is named after him. Pic.
||1838: Karl Reye born ... mathematician. He contributed to geometry, particularly projective geometry and synthetic geometry, introducing the concept of configurations. The Reye configuration of 12 points, 12 planes, and 16 lines is named after him. Pic.


||1840 – Samuel Morse receives the patent for the telegraph.
File:Telegraph.jpg|link=Electrical telegraph (nonfiction)|1840: [[Samuel Morse (nonfiction)|Samuel Morse]] receives the patent for the [[Electrical telegraph (nonfiction)|telegraph]].


||1861 – Frederick Gowland Hopkins, English biochemist and academic, Nobel Prize laureate (d. 1947)
||1861 – Frederick Gowland Hopkins, English biochemist and academic, Nobel Prize laureate (d. 1947)
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||Eduard Ritter von Weber (d. June 20, 1934) was a German mathematician. He will work with partial differential equations, in particular the Pfaff problem.  Pic.
||Eduard Ritter von Weber (d. June 20, 1934) was a German mathematician. He will work with partial differential equations, in particular the Pfaff problem.  Pic.


||1944 – The experimental MW 18014 V-2 rocket reaches an altitude of 176 km, becoming the first man-made object to reach outer space.
||1944: The experimental MW 18014 V-2 rocket reaches an altitude of 176 km, becoming the first man-made object to reach outer space.


||1945 – The United States Secretary of State approves the transfer of Wernher von Braun and his team of Nazi rocket scientists to the U.S. under Operation Paperclip.
||1945: The United States Secretary of State approves the transfer of Wernher von Braun and his team of Nazi rocket scientists to the U.S. under Operation Paperclip.


||1963 – Following the Cuban Missile Crisis, the Soviet Union and the United States sign an agreement to establish the so-called "red telephone" link between Washington and Moscow.
||1963: Following the Cuban Missile Crisis, the Soviet Union and the United States sign an agreement to establish the so-called "red telephone" link between Washington and Moscow.


||1963 – Raphaël Salem, Greek-French mathematician and academic (b. 1898)
||1963: Raphaël Salem dies ... mathematician and academic.


||1966 – Georges Lemaître, Belgian priest, physicist, and astronomer (b. 1894)
||1966: Georges Lemaître dies ... priest, physicist, and astronomer.


||1972 – Watergate scandal: An 18½-minute gap appears in the tape recording of the conversations between U.S. President Richard Nixon and his advisers regarding the recent arrests of his operatives while breaking into the Watergate complex.
||1972: Watergate scandal: An 18½-minute gap appears in the tape recording of the conversations between U.S. President Richard Nixon and his advisers regarding the recent arrests of his operatives while breaking into the Watergate complex.


||1990 – Asteroid Eureka is discovered.
||1990: Asteroid Eureka is discovered.


||2002 – Erwin Chargaff, Austrian-American biochemist and academic (b. 1905)
||2002: Erwin Chargaff dies ... biochemist and academic.


||2005 – Jack Kilby, American physicist and engineer, Nobel Prize laureate (b. 1923) Jack St. Clair Kilby (November 8, 1923 – June 20, 2005) was an American electrical engineer who took part (along with Robert Noyce) in the realization of the first integrated circuit while working at Texas Instruments (TI) in 1958. He was awarded the Nobel Prize in Physics on December 10, 2000
||2005: Jack Kilby dies ... physicist and engineer, Nobel Prize laureate ... took part (along with Robert Noyce) in the realization of the first integrated circuit while working at Texas Instruments (TI) in 1958. He was awarded the Nobel Prize in Physics on December 10, 2000.


||Markus Eduard Fierz (d. 20 June 2006) was a Swiss physicist, particularly remembered for his formulation of spin-statistics theorem, and for his contributions to the development of quantum theory, particle physics, and statistical mechanics. He was awarded the Max Planck Medal in 1979 and the Albert Einstein Medal in 1989 for all his work.
||2006: Markus Eduard Fierz dies ... physicist, particularly remembered for his formulation of spin-statistics theorem, and for his contributions to the development of quantum theory, particle physics, and statistical mechanics. He was awarded the Max Planck Medal in 1979 and the Albert Einstein Medal in 1989 for all his work.


||Floris Takens (d. June 20, 2010) was a Dutch mathematician known for contributions to the theory of chaotic dynamical systems. Together with David Ruelle, he predicted that fluid turbulence could develop through a strange attractor, a term they coined, as opposed to the then-prevailing theory of accretion of modes. The prediction was later confirmed by experiment. Pic.
||2010: Floris Takens dies ... mathematician known for contributions to the theory of chaotic dynamical systems. Together with David Ruelle, he predicted that fluid turbulence could develop through a strange attractor, a term they coined, as opposed to the then-prevailing theory of accretion of modes. The prediction was later confirmed by experiment. Pic.


File:Bacteriophage Exterior.svg|link=Transdimensional corporation|2010: Unlicensed [[Extract of Radium]] factory accidentally releases self-sustaining colony of [[transdimensional corporations]].
File:Bacteriophage Exterior.svg|link=Transdimensional corporation|2010: Unlicensed [[Extract of Radium]] factory accidentally releases self-sustaining colony of [[transdimensional corporations]].


||Professor He Zehui (d. June 20, 2011) was a Chinese nuclear physicist who worked to develop and exploit nuclear physics in Germany and China. Pic.
||2011: Professor He Zehui dies ... nuclear physicist who worked to develop and exploit nuclear physics in Germany and China. Pic.
 
File:Ursa Nano.jpg|link=Ursa Nano (nonfiction)|2017: Steganographic analysis of ''[[Ursa Nano (nonfiction)|Ursa Nano]]'' unexpectedly reveals "four hundred, maybe five hundred kilobytes" of previously unknown [[Gnomon algorithm]] functions.


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