1805 in science
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The year 1805 in science and technology involved some significant events, listed below.
Contents |
[edit] Events
- John Dalton's Absorption of Gases, the first list of relative atomic masses is published.
[edit] Exploration
- April 7 - The Lewis and Clark Expedition leaves Fort Mandan, bound for the Pacific Ocean.
- August 9 - Zebulon Pike leaves St. Louis to explore the headwaters of the Mississippi River.
- November 16 - The Lewis and Clark expedition reaches the Pacific Ocean at the mouth of the Columbia River.
[edit] Awards
[edit] Births
- February 13 - Peter Gustav Lejeune Dirichlet, mathematician (died 1859)
- May 12 - William Rowan Hamilton, mathematician, physicist, and astronomer (died 1865)
- December 16 - Isidore Geoffroy Saint-Hilaire, zoologist (died 1861)
- December 20 - Thomas Graham, chemist (died 1869)
[edit] Deaths
- January 23 - Claude Chappe, inventor of the semaphore system (born 1763)
- December 23 - Pehr Osbeck, Swedish botanist and explorer, pupil of Linnaeus (born 1723)fr:1805 en science
