1781 in science
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The year 1781 in science and technology included many events, some of which are listed here.
See also: 1780 in science, other events of 1781, 1782 in science and the list of years in science.
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Astronomy
- William Herschel discovers Uranus
- Charles Messier publishes final catalogue of Messier objects
Biology
- Felix Fontana uses a microscope to describe the axon of a brain cell
Chemistry
- Carl Wilhelm Scheele ascertains that a new acid could be made from tungstenite, leading to the discovery of tungsten in 1783
Awards
Births
- January 30 - Adelbert von Chamisso, poet, botanist (died 1838)
- February 17 - Rene Theophile Hyacinthe Laennec, French physician, inventor of the stethoscope (died 1826)
- June 9 - George Stephenson, locomotive engineer (died 1848)
- June 21 - Simeon Poisson, mathematician (died 1840)
- July 6 - Thomas Stamford Raffles, founder of the Zoological Society of London (died 1826)
- October 5 - Bernhard Bolzano, mathematician (died 1848)
- December 11 - David Brewster, Scottish physicist (died 1868)