The year 1735 in science and technology involved some significant events.


July 11 - Pluto (not known at this time) enters a fourteen year period inside the orbit of Neptune, which will not recur until 1979.

Linnaeus' classification of animals

Carolus Linnaeus publishes his Systema Naturae.


Swedish chemist Georg Brandt analyzes a dark blue pigment found in copper ore. Brandt demonstrated that the pigment contained a new element, later named cobalt..[1] This is the first metal discovered since ancient times.

Earth sciences

May - French Geodesic Mission (including Charles Marie de La Condamine, Pierre Bouguer, Louis Godin, Jorge Juan, Antonio de Ulloa, Joseph de Jussieu and Jean Godin) sets out for Ecuador.[2]


Leonhard Euler solves the Basel problem, first posed by Pietro Mengoli in 1644, and the Seven Bridges of Königsberg problem.


May 22 - George Hadley publishes the first explanation of the trade winds.[3][4][5]


April 21 - Ivan Petrovich Kulibin, Russian inventor (d. 1818)
October 6 - Jesse Ramsden, English scientific instrument maker (d. 1800)


February 27 - Dr John Arbuthnot, British polymath (b. 1667)

5 April 1735, Death of William Derham in Upminster, London , England
September 27 - Peter Artedi, Swedish naturalist (b. 1705)


^ Reported by Brandt in Acta Literaria et Scientiarum Sveciae (Uppsala) and recalled by him in his Presidential address, "Tal on Färg Cobalter", to the Royal Swedish Academy of Sciences (Stockholm, 1860). Gusenius, Edwin M. (1967). "Beginnings of Greatness in Swedish Chemistry: Georg Brandt (1694-1768)". Transactions of the Kansas Academy of Science 70: 413–425. JSTOR 3627593.
^ Ferreiro, Larrie (2011). Measure of the Earth: the Enlightenment Expedition that Reshaped our World. New York: Basic Books. ISBN 978-0-465-01723-2.
^ Philosophical Transactions of the Royal Society 39: 58–62.
^ McConnell, Anita (2004). "Hadley, George (1685–1768)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/11858. Retrieved 2011-09-27. subscription or UK public library membership required
^ The Hutchinson Factfinder. Helicon. 1999. ISBN 1-85986-000-1.

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1734 - 1735 - 1736

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