Template:Selected anniversaries/July 30: Difference between revisions

Revision as of 15:58, 27 February 2019

1832: Chemist, physician, agronomist, industrialist, statesman, educator, and philanthropist Jean-Antoine-Claude Chaptal dies.
1841: Mathematician and astronomer George Biddell Airy measures mean density of the Earth using Gnomon algorithm technique. This data will later be adapted for use in detecting and preventing crimes against mathematical constants.
1864: American Civil War: Battle of the Crater: Union forces attempt to break Confederate lines at Petersburg, Virginia by exploding a large bomb under their trenches.
1974: Watergate scandal: U.S. President Richard Nixon releases subpoenaed White House recordings after being ordered to do so by the Supreme Court of the United States.

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 ||1676: Nathaniel Bacon issues the "Declaration of the People of Virginia", beginning Bacon's Rebellion against the rule of Governor William Berkeley. https://en.wikipedia.org/wiki/Nathaniel_Bacon_(Virginia_colonist_and_rebel)
-||1828: François Isaac de Rivaz dies ... inventor and a politician. He invented a hydrogen-powered internal combustion engine with electric ignition and described it in a French patent published in 1807. In 1808 he fitted it into a primitive working vehicle – "the world's first internal combustion powered automobile".
+||1828: François Isaac de Rivaz dies ... inventor and a politician. He invented a hydrogen-powered internal combustion engine with electric ignition and described it in a French patent published in 1807. In 1808 he fitted it into a primitive working vehicle – "the world's first internal combustion powered automobile". Pic.
 File:Jean-Antoine Chaptal.jpg|link=Jean-Antoine-Claude Chaptal (nonfiction)|1832: Chemist, physician, agronomist, industrialist, statesman, educator, and philanthropist [[Jean-Antoine-Claude Chaptal (nonfiction)|Jean-Antoine-Claude Chaptal]] dies.