Template:Selected anniversaries/April 4: Difference between revisions

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||1147 – First historical record of Moscow.
||1581 – Francis Drake is knighted for completing a circumnavigation of the world.
||1609 – Carolus Clusius, Flemish botanist, mycologist, and academic (b. 1526)
||1617 – John Napier, Scottish mathematician, physicist, and astronomer (b. 1550)
||Joseph-Nicolas Delisle (b. 4 April 1688) was a French astronomer and cartographer.
||1768 – In London, Philip Astley stages the first modern circus.
||1796 – Georges Cuvier delivers the first paleontological lecture.
||1807 – Jérôme Lalande, French astronomer and academic (b. 1732)
||1821 – Linus Yale, Jr., American engineer and businessman (d. 1868) - locks
File:Zénobe Gramme 1893.jpg|link=Zénobe Gramme (nonfiction)|1826: Electrical engineer [[Zénobe Gramme (nonfiction)|Zénobe Gramme]] born. He will invent the first usefully powerful electric motor.
File:Zénobe Gramme 1893.jpg|link=Zénobe Gramme (nonfiction)|1826: Electrical engineer [[Zénobe Gramme (nonfiction)|Zénobe Gramme]] born. He will invent the first usefully powerful electric motor.
||1842 – Édouard Lucas, French mathematician and theorist (d. 1891)
||1870 – Heinrich Gustav Magnus, German chemist and physicist (b. 1802)
||1868 – Philippa Fawcett, English mathematician and educator (d. 1948)
||1879 – Heinrich Wilhelm Dove, German physicist and meteorologist (b. 1803)
File:Charles Hermite circa 1901.jpg|link=Charles Hermite (nonfiction)|1901: [[Charles Hermite (nonfiction)|Charles Hermite]] publishes paper on number theory as deterrent to [[crimes against mathematical constants]].
File:Charles Hermite circa 1901.jpg|link=Charles Hermite (nonfiction)|1901: [[Charles Hermite (nonfiction)|Charles Hermite]] publishes paper on number theory as deterrent to [[crimes against mathematical constants]].
||1912 – Isaac K. Funk, American minister, lexicographer, and publisher, co-founded Funk & Wagnalls (b. 1839)
||1919 – William Crookes, English chemist and physicist (b. 1832)
File:John Venn.jpg|link=John Venn (nonfiction)|1923: Mathematician and philosopher [[John Venn (nonfiction)|John Venn]] dies. He invented the Venn diagram, now widely used set theory, probability, logic, statistics, and computer science.
File:John Venn.jpg|link=John Venn (nonfiction)|1923: Mathematician and philosopher [[John Venn (nonfiction)|John Venn]] dies. He invented the Venn diagram, now widely used set theory, probability, logic, statistics, and computer science.
||1929 – Karl Benz, German engineer and businessman, founded Mercedes-Benz (b. 1844)
||1932 – Wilhelm Ostwald, Latvian-German chemist and academic, Nobel Prize laureate (b. 1853)
||1933 – U.S. Navy airship, USS Akron, is wrecked off the New Jersey coast due to severe weather.
||1961 – Simion Stoilow, Romanian mathematician and academic (b. 1873)
||1968 – Martin Luther King Jr. is assassinated by James Earl Ray at a motel in Memphis, Tennessee.
||1968 – Apollo program: NASA launches Apollo 6.
||1969 – Dr. Denton Cooley implants the first temporary artificial heart.


File:Harry Nyquist.jpg|link=Harry Nyquist (nonfiction)|1976: Engineer and theorist [[Harry Nyquist (nonfiction)|Harry Nyquist]] dies. He did early theoretical work on determining the bandwidth requirements for transmitting information, laying the foundations for later advances by Claude Shannon, which led to the development of information theory.
File:Harry Nyquist.jpg|link=Harry Nyquist (nonfiction)|1976: Engineer and theorist [[Harry Nyquist (nonfiction)|Harry Nyquist]] dies. He did early theoretical work on determining the bandwidth requirements for transmitting information, laying the foundations for later advances by Claude Shannon, which led to the development of information theory.
File:Dave the Gamer.jpg|link=Dave the Gamer|1977: [[Dave the Gamer]] announces "buy one, get one free" sale on all lucky dice in the store.
File:Dave the Gamer.jpg|link=Dave the Gamer|1977: [[Dave the Gamer]] announces "buy one, get one free" sale on all lucky dice in the store.
||1983 – Space Shuttle Challenger makes its maiden voyage into space.
||1994 – Marc Andreessen and Jim Clark found Netscape Communications Corporation under the name Mosaic Communications Corporation.
||2007 – Karen Spärck Jones, English computer scientist and academic (b. 1935)
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Revision as of 16:30, 25 August 2017

  • 1826: Electrical engineer Zénobe Gramme born. He will invent the first usefully powerful electric motor.

    1826: Electrical engineer Zénobe Gramme born. He will invent the first usefully powerful electric motor.

  • 1901: Charles Hermite publishes paper on number theory as deterrent to crimes against mathematical constants.

    1901: Charles Hermite publishes paper on number theory as deterrent to crimes against mathematical constants.

  • 1923: Mathematician and philosopher John Venn dies. He invented the Venn diagram, now widely used set theory, probability, logic, statistics, and computer science.

    1923: Mathematician and philosopher John Venn dies. He invented the Venn diagram, now widely used set theory, probability, logic, statistics, and computer science.

  • 1976: Engineer and theorist Harry Nyquist dies. He did early theoretical work on determining the bandwidth requirements for transmitting information, laying the foundations for later advances by Claude Shannon, which led to the development of information theory.

    1976: Engineer and theorist Harry Nyquist dies. He did early theoretical work on determining the bandwidth requirements for transmitting information, laying the foundations for later advances by Claude Shannon, which led to the development of information theory.

  • 1977: Dave the Gamer announces "buy one, get one free" sale on all lucky dice in the store.

    1977: Dave the Gamer announces "buy one, get one free" sale on all lucky dice in the store.

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