1795 in science
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The year 1795 in science and technology involved some significant events.
Contents |
[edit] Astronomy
- December 13 - A meteorite falls to earth at Wold Newton, East Riding of Yorkshire, England, the first to be recognised in modern times.
[edit] Botany
- National Botanic Gardens (Ireland) opened by the Royal Dublin Society.
[edit] Mathematics
- The 18-year-old Carl Friedrich Gauss develops the basis for the method of least squares analysis.[1]
[edit] Metrology
- April 7 - The gram is decreed in France to be equal to “the absolute weight of a volume of water equal to the cube of the hundredth part of the metre, at the temperature of melting ice.”[2]
[edit] Paleontology
- Georges Cuvier identifies the fossilised bones of a huge animal found in the Netherlands in 1770 as belonging to an extinct reptile
[edit] Technology
- November 30 - Joseph Bramah is granted a British patent for hydraulic machinery, notably the hydraulic press.[3]
[edit] Zoology
- Johann Matthäus Bechstein publishes his treatise on songbirds Naturgeschichte der Stubenvögel ("Natural History of Cage Birds") in Gotha.
- Étienne Geoffroy Saint-Hilaire publishes "Histoire des Makis, ou singes de Madagascar", introducing his theory of the unity of organic composition.
[edit] Awards
[edit] Births
- December 8 - Peter Andreas Hansen, Danish astronomer (d. 1874)
[edit] Deaths
- March 21 - Giovanni Arduino, Italian geologist (b. 1714)
- July 3 - Antonio de Ulloa, Spanish explorer (b. 1716)
- June 9 - François Chopart, French surgeon (b. 1743)
- June 24 - William Smellie, Scottish naturalist (b. 1740)
- October 1 - Robert Bakewell, English agriculturalist and geneticist (b. 1725)
[edit] References
- ^ Not published until 1809.
- ^ "Decree on weights and measures". 1795. Archived from the original on 24 September 2008. http://web.archive.org/web/20080924152410/http://smdsi.quartier-rural.org/histoire/18germ_3.htm. Retrieved 02 October 2008. "Gramme, le poids absolu d'un volume d'eau pure égal au cube de la centième partie du mètre , et à la température de la glace fondante"
- ^ McNeill, Ian (1972). Hydraulic Power. London: Longman. ISBN 0-582-12797-1.
