Template:Selected anniversaries/April 9: Difference between revisions

Revision as of 09:41, 6 December 2020

1770: Physicist and academic Thomas Johann Seebeck born. Seebeck will discover the thermoelectric effect.
1805: Mathematician and crime-fighter Joseph-Louis Lagrange delivers lecture on applications of number theory to the detection and prevention of crimes against mathematical constants.
1860: On his phonautograph machine, Édouard-Léon Scott de Martinville makes the oldest known recording of an audible human voice. A visual recording of audio data, it will first be played back in 2008.
1864: Engineer and physicist Wilhelm Röntgen uses X-rays generator to expose loaded dice, reveals organized math crime cartel in casinos around the world.
1865: Mathematician and electrical engineer Charles Proteus Steinmetz born. Steinmetz will foster the development of alternating current, formulating mathematical theories which will advance the expansion of the electric power industry in the United States.
1895: Mathematician, historian, and APTO librarian Moritz Cantor publishes his monumental study Vorlesungen über Geschichte der Gnomonik, which traces the history of Gnomon algorithm theory up to 1799.
1978: Musician and alleged math criminal Skip Digits performs at the Kennedy Center for the Arts.
2018: Green Tangle voted Picture of the Day by the citizens of New Minneapolis, Canada.

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 ||1959: Project Mercury: NASA announces the selection of the United States' first seven astronauts, whom the news media quickly dub the "Mercury Seven".
+||1961: Washington Square shutdown: Sunday folk music was regularly played in Washington Square Park on Sundays until April 9, 1961 when Newbold Morris rejected the folkies' application for a permit with no explanation. A riot ensued with many of the folk singers being arrested by police and placed into paddy wagons. Some people suspected that local real estate interests were involved, wanting to rid the park of beatniks and other "undesirables," as some called them. But whether Morris had been influenced by such interests was never determined. The riot and arrests themselves got plenty of newspaper coverage, with one headline proclaiming "3,000 Beatniks Riot in Village." But the hysteria faded quickly.
 ||1965: Astrodome opens. First indoor baseball game is played.