Template:Selected anniversaries/June 20: Difference between revisions

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||Abraham Gotthelf Kästner (27 September 1719 – 20 June 1800) was a German mathematician and epigrammatist.
||1597 – Willem Barentsz, Dutch cartographer and explorer (b. 1550)
 
||1782 – The U.S. Congress adopts the Great Seal of the United States.
 
||Abraham Gotthelf Kästner (27 September 1719 – 20 June 1800) was a German mathematician, academic, and epigrammatist.
 
||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.
 
1840 – Samuel Morse receives the patent for the telegraph.
 
||1861 – Frederick Gowland Hopkins, English biochemist and academic, Nobel Prize laureate (d. 1947)
 
File:Wilhelm Bauer.gif|link=Wilhelm Bauer (nonfiction)|1875: Inventor and engineer [[Wilhelm Bauer (nonfiction)|Wilhelm Bauer]] dies.  He designed and invented [[Submarine (nonfiction)|submarines]].
File:Wilhelm Bauer.gif|link=Wilhelm Bauer (nonfiction)|1875: Inventor and engineer [[Wilhelm Bauer (nonfiction)|Wilhelm Bauer]] dies.  He designed and invented [[Submarine (nonfiction)|submarines]].
||1875 – Reginald Punnett, English geneticist, statistician, and academic (d. 1967)
File:Wallace War-Heels.jpg|link=Wallace War-Heels|1876: Adventurer and alleged "Pirate of the Prairie" [[Wallace War-Heels]] says that he has "offered no man violence", but admits that he has "responded to violence with greater violence, many times."
File:Wallace War-Heels.jpg|link=Wallace War-Heels|1876: Adventurer and alleged "Pirate of the Prairie" [[Wallace War-Heels]] says that he has "offered no man violence", but admits that he has "responded to violence with greater violence, many times."
File:Alexander Graham Bell.jpg|link=Alexander Graham Bell (nonfiction)|1877: [[Alexander Graham Bell (nonfiction)|Alexander Graham Bell]] installs the world's first commercial telephone service in Hamilton, Ontario, Canada.
File:Alexander Graham Bell.jpg|link=Alexander Graham Bell (nonfiction)|1877: [[Alexander Graham Bell (nonfiction)|Alexander Graham Bell]] installs the world's first commercial telephone service in Hamilton, Ontario, Canada.
||1884 – Mary R. Calvert, American astronomer and author (d. 1974)
||1917 – Helena Rasiowa, Austrian-Polish mathematician and academic (d. 1994)
||Sumner Increase Kimball (d. June 20, 1923) was the organizer of the United States Life-Saving Service and the General Superintendent of the Life-Saving Service from 1878-1915.
||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.
||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)
||1966 – Georges Lemaître, Belgian priest, physicist, and astronomer (b. 1894)
||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.
||2002 – Erwin Chargaff, Austrian-American biochemist and academic (b. 1905)
||2005 – Jack Kilby, American physicist and engineer, Nobel Prize laureate (b. 1923)
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]].
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Revision as of 17:48, 17 August 2017