Template:Selected anniversaries/July 23: Difference between revisions
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||1584 – John Day, English printer (b. 1522) | |||
||1773 – George Edwards, English biologist and ornithologist (b. 1693) | |||
||1796 – Franz Berwald, Swedish surgeon and composer (d. 1868) | |||
||1775 – Étienne-Louis Malus, French physicist and mathematician (d. 1812) | |||
File:Typographer patent 1829.jpg|link=Typographer (typewriter) (nonfiction)|1829: William Austin Burt patents the [[Typographer (typewriter) (nonfiction)|typographer]], a precursor to the typewriter. | File:Typographer patent 1829.jpg|link=Typographer (typewriter) (nonfiction)|1829: William Austin Burt patents the [[Typographer (typewriter) (nonfiction)|typographer]], a precursor to the typewriter. | ||
||1886 – Walter H. Schottky, Swiss-German physicist and engineer (d. 1976) | |||
||1906 – Vladimir Prelog, Croatian-Swiss chemist and academic, Nobel Prize laureate (d. 1998) | |||
||1916 – William Ramsay, Scottish-English chemist and academic, Nobel Prize laureate (b. 1852) | |||
File:Vera Rubin.jpg|link=Vera Rubin (nonfiction)|1928: Astronomer and academic [[Vera Rubin (nonfiction)|Vera Rubin]] born. She will discover the discrepancy between the predicted angular motion of galaxies and the observed motion, by studying galactic rotation curves. | File:Vera Rubin.jpg|link=Vera Rubin (nonfiction)|1928: Astronomer and academic [[Vera Rubin (nonfiction)|Vera Rubin]] born. She will discover the discrepancy between the predicted angular motion of galaxies and the observed motion, by studying galactic rotation curves. | ||
||1929 – The Fascist government in Italy bans the use of foreign words. | |||
||1930 – Glenn Curtiss, American pilot and engineer (b. 1878) | |||
File:Telstar.jpg|link=Telstar (nonfiction)|1962: [[Telstar (nonfiction)|Telstar]] relays the first publicly transmitted, live trans-Atlantic television program, featuring Walter Cronkite. | |||
||1968 – Henry Hallett Dale, English pharmacologist and physiologist, Nobel Prize laureate (b. 1875) | |||
||1972 – The United States launches Landsat 1, the first Earth-resources satellite. | |||
||1990 – Kenjiro Takayanagi, Japanese engineer (b. 1899) Father of Japanese television. | |||
||1995 – Comet Hale–Bopp is discovered; it becomes visible to the naked eye on Earth nearly a year later. | |||
||2012 – Sally Ride, American physicist and astronaut (b. 1951) | |||
||2015 – NASA announces discovery of Kepler-452b by Kepler. | |||
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Revision as of 18:27, 21 July 2017
1829: William Austin Burt patents the typographer, a precursor to the typewriter.
1928: Astronomer and academic Vera Rubin born. She will discover the discrepancy between the predicted angular motion of galaxies and the observed motion, by studying galactic rotation curves.
1962: Telstar relays the first publicly transmitted, live trans-Atlantic television program, featuring Walter Cronkite.