Template:Selected anniversaries/September 13: Difference between revisions

Revision as of 06:24, 5 July 2017

2013: Egg Tooth Neighborhood Association volunteers answer questions, calm fears about the number thirteen.
2014: Army research laboratories convert modern plowshares into ancient swords. Military contractors call technique "Astonishing breakthrough."

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+||1755 – Oliver Evans, American inventor, engineer and businessman (d. 1819)
+||1873 – Constantin Carathéodory, German mathematician and author (d. 1950)
+||1885 – Wilhelm Blaschke, Austrian-German mathematician and academic (d. 1962)
+||1886 – Robert Robinson, English chemist and academic, Nobel Prize laureate (d. 1975)
+||1887 – Leopold Ružička, Croatian-Swiss biochemist and academic, Nobel Prize laureate (d. 1976)
+||1898 – Hannibal Goodwin patents celluloid photographic film.
+||1956 – The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage.
+||1987 – Goiânia accident: A radioactive object is stolen from an abandoned hospital in Goiânia, Brazil, contaminating many people in the following weeks and causing some to die from radiation poisoning.
 File:Egg Tooth Neighborhood Association logo.jpg|link=Egg Tooth (neighborhood)|2013: [[Egg Tooth (neighborhood)|Egg Tooth Neighborhood Association]] volunteers answer questions, calm fears about the number thirteen.
 File:800px-Nebra_Schwerter.jpg|link=Weapon (nonfiction)|2014: Army research laboratories [[Weapon (nonfiction)|convert modern plowshares into ancient swords]].  Military contractors call technique "Astonishing breakthrough."
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