Template:Selected anniversaries/September 4: Difference between revisions

Revision as of 18:40, 3 September 2017

1784: Astronomer and cartographer César-François Cassini de Thury dies. In 1744, he began the construction of a great topographical map of France, one of the landmarks in the history of cartography. Completed by his son Jean-Dominique, Cassini IV and published by the Académie des Sciences from 1744 to 1793, its 180 plates are known as the Cassini map.
1882: Thomas Edison flips the switch to the first commercial electrical power plant in history, lighting one square mile of lower Manhattan. This is considered by many as the day that began the electrical age.
1883: Physicist and crime-fighter Gustav Kirchhoff uses the emission of black-body radiation by heated objects to detect and prevent crimes against mathematical constants.
1888: George Eastman registers the trademark Kodak and receives a patent for his camera that uses roll film.
2017: Signed first edition of The Safe-Cracker sells for ten million dollars.

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-||1784 – César-François Cassini de Thury, French astronomer and cartographer (b. 1714)
+File:César François Cassini de Thury.jpg|link=César-François Cassini de Thury (nonfiction)|1784: Astronomer and cartographer [[César-François Cassini de Thury (nonfiction)|César-François Cassini de Thury]] dies. In 1744, he began the construction of a great topographical map of France, one of the landmarks in the history of cartography. Completed by his son Jean-Dominique, Cassini IV and published by the Académie des Sciences from 1744 to 1793, its 180 plates are known as the Cassini map.
 ||1797 – Coup of 18 Fructidor in France.