1743 in science

	… 1733; 1734; 1735; 1736; 1737; 1738; 1739; ; 1740; 1741; 1742; 1743; 1744; 1745; 1746; ; 1747; 1748; 1749; 1750; 1751; 1752; 1753 …;
	Art; Archaeology; Architecture; Literature; Music; Philosophy; Science +...;

The year 1743 in science and technology involved some significant events.

Astronomy[]

November 29 – Discovery of C/1743 X1, the 'Great Comet of 1744' (sic.), by at Middelburg and subsequently by de Chéseaux and Klinkenberg.^[1]

May 19 – French physicist Jean-Pierre Christin of Lyon publishes the design of a mercury thermometer with a centigrade scale running from 0 representing the freezing point of water and 100 its boiling point.

June 2 – British surgeon William Hunter presents his paper "Of the structure and diseases of articulating cartilages".^[2]

February 13 – Joseph Banks, English botanist (died 1820)
February 28 – René Just Haüy, French mineralogist (died 1822)
April 13 (April 2 O.S.) – Thomas Jefferson, Founding Father and 3rd President of the United States and inventor (died 1826)
June 3 – Lucia Galeazzi Galvani, Italian scientist (died 1788)
August 17 – Eberhard August Wilhelm von Zimmermann, German geographer and zoologist (died 1815)
August 26 – Antoine Lavoisier, French chemist (died 1794)
September 17 – Marquis de Condorcet, French mathematician, philosopher and political scientist (died 1794)
October 20 – François Chopart, French surgeon (died 1795)
November 11 – Carl Peter Thunberg, Swedish botanist (died 1828)
December 1 – Martin Heinrich Klaproth, German chemist (died 1817)
Elisabeth Christina von Linné, Swedish botanist (died 1782)

^ De Munck, J. (1744). Sterrekundige Waarneemingen op de Comeet of Staart-Sterre: Sedert den 29 November des Jaars 1743; tot op den 1 Maart van den Jaare 1744. Amsterdam; Middelburg: Isaak Tirion; Hendrik van Hoekke.
^ Hunter, William (1743). "Of the Structure and Diseases of Articulating Cartilages". Philosophical Transactions of the Royal Society. London. 42 (470): 514–21. doi:10.1098/rstl.1742.0079. PMID 7671493. S2CID 186214128. Retrieved 2012-01-05.^{[permanent dead link]}
^ "Copley Medal | British scientific award". Encyclopedia Britannica. Retrieved 21 July 2020.