Template:Selected anniversaries/July 20: Difference between revisions

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||AD 70 – Siege of Jerusalem: Titus, son of emperor Vespasian, storms the Fortress of Antonia north of the Temple Mount. The Roman army is drawn into street fights with the Zealots.
|File:Didacus automaton profile.jpg|link=Didacus automaton (nonfiction)|1562: [[Didacus automaton (nonfiction)|Didacus automaton]] develops self-awareness, invents new class of [[Gnomon algorithm functions]].
|File:Didacus automaton profile.jpg|link=Didacus automaton (nonfiction)|1562: [[Didacus automaton (nonfiction)|Didacus automaton]] develops self-awareness, invents new class of [[Gnomon algorithm functions]].
||1804 – Richard Owen, English biologist, anatomist, and paleontologist (d. 1892)


||1807 – French brothers Claude and Nicéphore Niépce received a patent for their Pyréolophore, one of the world's first internal combustion engines.
||1807 – French brothers Claude and Nicéphore Niépce received a patent for their Pyréolophore, one of the world's first internal combustion engines.
||1822 – Gregor Mendel, Austro-German monk, geneticist and botanist (d. 1884)
||1864 – Ruggero Oddi, Italian physiologist and anatomist (d. 1913) narcotics abuse, financial improprieties


File:Georg Friedrich Bernhard Riemann.jpg|link=Bernhard Riemann (nonfiction)|1866: Mathematician and academic [[Bernhard Riemann (nonfiction)|Bernhard Riemann]] dies. He made contributions to analysis, number theory, and differential geometry.
File:Georg Friedrich Bernhard Riemann.jpg|link=Bernhard Riemann (nonfiction)|1866: Mathematician and academic [[Bernhard Riemann (nonfiction)|Bernhard Riemann]] dies. He made contributions to analysis, number theory, and differential geometry.


File:Riemann critical line.png|link=Riemann hypothesis (nonfiction)|1867: [[Riemann hypothesis (nonfiction)|Riemann hypothesis]]: The real part (red) and imaginary part (blue) of the Riemann zeta function along the critical line Re(s) = 1/2 pre-visualizes non-trivial [[crimes against mathematical constants]] at Im(s) = ±14.135, ±21.022 and ±25.011.
File:Riemann critical line.png|link=Riemann hypothesis (nonfiction)|1867: [[Riemann hypothesis (nonfiction)|Riemann hypothesis]]: The real part (red) and imaginary part (blue) of the Riemann zeta function along the critical line Re(s) = 1/2 pre-visualizes non-trivial [[crimes against mathematical constants]] at Im(s) = ±14.135, ±21.022 and ±25.011.
||1876 – Otto Blumenthal, German mathematician and academic (d. 1944)
||1882 – Olga Hahn-Neurath, Austrian mathematician and philosopher (d. 1937)


||Geneve Lucy Angela Shaffer (b. July 20, 1888) was a American realtor, lecturer and author. In 1909 she was touted by the San Francisco Call as "the first woman in the world to sail in a flying machine".
||Geneve Lucy Angela Shaffer (b. July 20, 1888) was a American realtor, lecturer and author. In 1909 she was touted by the San Francisco Call as "the first woman in the world to sail in a flying machine".


|File:Mark Twain by Abdullah Frères, 1867.jpg|link=Mark Twain (nonfiction)|1889: [[Mark Twain (nonfiction)|Mark Twain]] alleges that [[Baron Zersetzung]] is "trafficking in [[Clandestiphrine]] and [[Extract of Radium]], to the detriment of clear and rational thought, relentless seeking to corrupt, usurp, and digest what remains of the Republic."
|File:Mark Twain by Abdullah Frères, 1867.jpg|link=Mark Twain (nonfiction)|1889: [[Mark Twain (nonfiction)|Mark Twain]] alleges that [[Baron Zersetzung]] is "trafficking in [[Clandestiphrine]] and [[Extract of Radium]], to the detriment of clear and rational thought, relentless seeking to corrupt, usurp, and digest what remains of the Republic."
||1890 – Julie Vinter Hansen, Danish-Swiss astronomer and academic (d. 1960)
||1897 – Tadeusz Reichstein, Polish-Swiss chemist and academic, Nobel Prize laureate (d. 1996)
||1922 – Andrey Markov, Russian mathematician and theorist (b. 1856)
File:Bonus marchers.gif|link=Bonus Army (nonfiction)|1932: In Washington, D.C., police fire tear gas on World War I veterans, part of the [[Bonus Army (nonfiction)|Bonus Expeditionary Force]], who attempt to march to the White House.
||1934 – Labor unrest in the U.S.: Police in Minneapolis fire upon striking truck drivers, during the Minneapolis Teamsters Strike of 1934, killing two and wounding sixty-seven.
||1934 – West Coast waterfront strike: In Seattle, police fire tear gas on and club 2,000 striking longshoremen. The governor of Oregon calls out the National Guard to break a strike on the Portland docks.
|1937 – Olga Hahn-Neurath, Austrian mathematician and philosopher from the Vienna Circle (b. 1882)


File:Guglielmo Marconi.jpg|link=Guglielmo Marconi (nonfiction)|1937: Businessman and inventor [[Guglielmo Marconi (nonfiction)|Guglielmo Marconi]] dies.  He shared the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".
File:Guglielmo Marconi.jpg|link=Guglielmo Marconi (nonfiction)|1937: Businessman and inventor [[Guglielmo Marconi (nonfiction)|Guglielmo Marconi]] dies.  He shared the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".
||1938 – The United States Department of Justice files suit in New York City against the motion picture industry charging violations of the Sherman Antitrust Act in regards to the studio system. The case would eventually result in a break-up of the industry in 1948.


File:Carl Louis Ferdinand von Lindemann.jpg|link=Ferdinand von Lindemann (nonfiction)|1938: Mathematician and crime-fighter [[Ferdinand von Lindemann (nonfiction)|Ferdinand von Lindemann]] uses the transcendental property of π (pi) to detect and prevent [[crimes against mathematical constants]].
File:Carl Louis Ferdinand von Lindemann.jpg|link=Ferdinand von Lindemann (nonfiction)|1938: Mathematician and crime-fighter [[Ferdinand von Lindemann (nonfiction)|Ferdinand von Lindemann]] uses the transcendental property of π (pi) to detect and prevent [[crimes against mathematical constants]].


||Fritz Joachim Weyl (d. July 20, 1977) was born in Zurich, Switzerland.[1] Today Weyl is regarded as a renowned mathematician.
||1941 – Soviet leader Joseph Stalin consolidates the Commissariats of Home Affairs and National Security to form the NKVD and names Lavrentiy Beria its chief.
 
||1944 – World War II: Adolf Hitler survives an assassination attempt led by German Army Colonel Claus von Stauffenberg.
 
||1950 – Cold War: In Philadelphia, Harry Gold pleads guilty to spying for the Soviet Union by passing secrets from atomic scientist Klaus Fuchs.
 
||1954 – Germany: Otto John, head of West Germany's secret service, defects to East Germany.
 
||1960 – The Polaris missile is successfully launched from a submarine, the USS George Washington, for the first time.
 
||1969 – Apollo program: Apollo 11's crew successfully makes the first manned landing on the Moon in the Sea of Tranquility. Americans Neil Armstrong and Buzz Aldrin became the first humans to walk on the Moon (July 21 UTC).
 
||1976 – The American Viking 1 lander successfully lands on Mars.
 
||1977 – The Central Intelligence Agency releases documents under the Freedom of Information Act revealing it had engaged in mind-control experiments
 
||Fritz Joachim Weyl (d. July 20, 1977) was born in Zurich, Switzerland. Today Weyl is regarded as a renowned mathematician.


File:MKUltra proposal.jpg|link=Project MKUltra (nonfiction)|1977: [[Project MKUltra (nonfiction)]]: The Central Intelligence Agency releases documents under the Freedom of Information Act revealing it had engaged in mind-control experiments.
File:MKUltra proposal.jpg|link=Project MKUltra (nonfiction)|1977: [[Project MKUltra (nonfiction)]]: The Central Intelligence Agency releases documents under the Freedom of Information Act revealing it had engaged in mind-control experiments.

Revision as of 14:27, 4 September 2017

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