Template:Selected anniversaries/November 27: Difference between revisions
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||1965: Vietnam War: The Pentagon tells U.S. President Lyndon B. Johnson that if planned operations are to succeed, the number of American troops in Vietnam has to be increased from 120,000 to 400,000. | ||1965: Vietnam War: The Pentagon tells U.S. President Lyndon B. Johnson that if planned operations are to succeed, the number of American troops in Vietnam has to be increased from 120,000 to 400,000. | ||
||1971: The Soviet space program's Mars 2 orbiter releases a descent module. It malfunctions and crashes, but it is the first man-made object to reach the surface of Mars. | ||1971: The Soviet space program's Mars 2 orbiter releases a descent module. It malfunctions and crashes, but it is the first man-made object to reach the surface of Mars. |
Latest revision as of 05:53, 30 March 2022
1701: Astronomer, physicist, and mathematician Anders Celsius born. In 1742 he will propose the Celsius temperature scale which today bears his name.
1754: Mathematician and theorist Abraham de Moivre dies. His book on probability theory, The Doctrine of Chances, was prized by gamblers of his day.
1852: Mathematician and writer Ada Lovelace dies. She did pioneering work in symbolic languages for machine processes, developing what will later be called computer programs for Charles Babbage's early mechanical general-purpose computer, the Analytical Engine.
1971: The The Mars 2 landing module crashes on Mars after its parachute fails to deploy.
2017: Dennis Paulson of Mars observes a moment of silence in memory of the forty-sixth anniversary of the Mars 2 crash.