Template:Selected anniversaries/December 25: Difference between revisions
No edit summary |
No edit summary |
||
Line 68: | Line 68: | ||
||1973: Gabriel Voisin dies ... aviation pioneer and the creator of Europe's first manned, engine-powered, heavier-than-air aircraft capable of a sustained (1 km), circular, controlled flight. Pic. | ||1973: Gabriel Voisin dies ... aviation pioneer and the creator of Europe's first manned, engine-powered, heavier-than-air aircraft capable of a sustained (1 km), circular, controlled flight. Pic. | ||
||1975: Gunnar Kangro dies ... mathematician and author. | ||1975: Gunnar Kangro dies ... mathematician and author. Pic. | ||
||1991: Mikhail Gorbachev resigns as President of the Soviet Union (the union itself is dissolved the next day). Ukraine's referendum is finalized and Ukraine officially leaves the Soviet Union. | ||1991: Mikhail Gorbachev resigns as President of the Soviet Union (the union itself is dissolved the next day). Ukraine's referendum is finalized and Ukraine officially leaves the Soviet Union. |
Revision as of 07:42, 21 November 2019
1642: Isaac Newton born. He will be widely recognized as one of the most influential scientists of all time and a key figure in the scientific revolution.
1730: Physician and activist Filippo Mazzei born. He will act as an agent to purchase arms for Virginia during the American Revolutionary War.
1763: Inventor Claude Chappe born. He will invent and develop a practical semaphore system that will span all of France -- the first practical telecommunications system of the industrial age.
1881: Physician, physiologist, and APTO field engineer Emil du Bois-Reymond uses experimental electrophysiology techniques to demonstrate a physiological basis for the energy exerted by Gnomon algorithm functions.
1932: Enrico Fermi computes probability set for path Santa Claus will travel.
2016: Astronomer and academic Vera Rubin dies. She discovered the discrepancy between the predicted angular motion of galaxies and the observed motion, by studying galactic rotation curves.
2017: Swirl is voted Picture of the Day by the citizens of New Minneapolis, Canada.