The year 1766 in

science Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. Modern science is typically divided into twoor threemajor branches: the natural sciences, which stu ...

and

technology Technology is the application of Conceptual model, conceptual knowledge to achieve practical goals, especially in a reproducible way. The word ''technology'' can also mean the products resulting from such efforts, including both tangible too ...

involved some significant events.

Astronomy

Lagrange Joseph-Louis Lagrange (born Giuseppe Luigi LagrangiaJupiter Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a Jupiter mass, mass more than 2.5 times that of all the other planets in the Solar System combined a ...

's satellites to the

French Academy of Sciences The French Academy of Sciences (, ) is a learned society, founded in 1666 by Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French Scientific method, scientific research. It was at the forefron ...

Biology

* April 9 – American botanist John Bartram completes his first exploration and cataloging of North American plants after more than nine months. * Moses Harris publishes ''The Aurelian, or, Natural History of English Insects; Namely, Moths and Butterflies''. * English painter

George Stubbs George Stubbs (25 August 1724 – 10 July 1806) was an English painter, best known for his paintings of horses. Self-trained, Stubbs learnt his skills independently from other great artists of the 18th century such as Joshua Reynolds and Thoma ...

publishes ''The Anatomy of the Horse''.

Chemistry

* May 29 – Henry Cavendish presents to the

Royal Society The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, re ...

of London his paper "On Factitious Airs". This is generally credited as showing the discovery of

hydrogen Hydrogen is a chemical element; it has chemical symbol, symbol H and atomic number 1. It is the lightest and abundance of the chemical elements, most abundant chemical element in the universe, constituting about 75% of all baryon, normal matter ...

, since it describes the density of 'inflammable air', which forms water on combustion. * Pierre Macquer publishes his ''Dictionnaire de chymie''.

Exploration

* November 15 – Louis Antoine de Bougainville leaves

Nantes Nantes (, ; ; or ; ) is a city in the Loire-Atlantique department of France on the Loire, from the Atlantic Ocean, Atlantic coast. The city is the List of communes in France with over 20,000 inhabitants, sixth largest in France, with a pop ...

for a three-year

circumnavigation Circumnavigation is the complete navigation around an entire island, continent, or astronomical object, astronomical body (e.g. a planet or natural satellite, moon). This article focuses on the circumnavigation of Earth. The first circumnaviga ...

of the world with the ships '' La Boudeuse'' and '' Étoile''; the

botanist Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...

Philibert Commerçon Philibert Commerson (; 18 November 1727 – 14 March 1773), sometimes spelled Commerçon by contemporaries, was a French natural history, naturalist, best known for accompanying Louis Antoine de Bougainville on his voyage of circumnavigation in 1 ...

is on board.

Mathematics

* Arima Yoriyuki finds a rational approximation of

\pi

, correct to 29 digits. * Euler gives up his post as director of mathematics at the Prussian Academy of Sciences and returns to

Saint Petersburg Saint Petersburg, formerly known as Petrograd and later Leningrad, is the List of cities and towns in Russia by population, second-largest city in Russia after Moscow. It is situated on the Neva, River Neva, at the head of the Gulf of Finland ...

. On the recommendation of Euler and

d'Alembert Jean-Baptiste le Rond d'Alembert ( ; ; 16 November 1717 – 29 October 1783) was a French mathematician, mechanics, mechanician, physicist, philosopher, and music theorist. Until 1759 he was, together with Denis Diderot, a co-editor of the ''E ...

Lagrange Joseph-Louis Lagrange (born Giuseppe Luigi LagrangiaBerlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...

, where he will stay for over twenty years.

Medicine

* October –

Addenbrooke's Hospital Addenbrooke's Hospital is a large teaching hospital and research centre in Cambridge Cambridge ( ) is a List of cities in the United Kingdom, city and non-metropolitan district in the county of Cambridgeshire, England. It is the county to ...

Cambridge Cambridge ( ) is a List of cities in the United Kingdom, city and non-metropolitan district in the county of Cambridgeshire, England. It is the county town of Cambridgeshire and is located on the River Cam, north of London. As of the 2021 Unit ...

England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...

, completed.

Metallurgy

* The Cranege brothers experiment with the use of the reverberatory furnace for the production of

wrought iron Wrought iron is an iron alloy with a very low carbon content (less than 0.05%) in contrast to that of cast iron (2.1% to 4.5%), or 0.25 for low carbon "mild" steel. Wrought iron is manufactured by heating and melting high carbon cast iron in an ...

from

cast iron Cast iron is a class of iron–carbon alloys with a carbon content of more than 2% and silicon content around 1–3%. Its usefulness derives from its relatively low melting temperature. The alloying elements determine the form in which its car ...

using

coal Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other Chemical element, elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal i ...

fuel at the

Coalbrookdale Coalbrookdale is a town in the Ironbridge Gorge and the Telford and Wrekin borough of Shropshire, England, containing a settlement of great significance in the history of iron ore smelting. It lies within the civil parish called The Gorge, Shro ...

iron works under the sponsorship of Richard Reynolds in England.

Events

Joseph Wright of Derby Joseph Wright (3 September 1734 – 29 August 1797), styled Joseph Wright of Derby, was an English landscape and portrait painter. He has been acclaimed as "the first professional painter to express the spirit of the Industrial Revolution". Wr ...

paints '' A Philosopher Lecturing on the Orrery''.

Awards

Copley Medal The Copley Medal is the most prestigious award of the Royal Society of the United Kingdom, conferred "for sustained, outstanding achievements in any field of science". The award alternates between the physical sciences or mathematics and the bio ...

: William Brownrigg; Edward Delaval; Henry Cavendish

Births

* July 6 – Alexander Wilson, Scottish-born

ornithologist Ornithology, from Ancient Greek ὄρνις (''órnis''), meaning "bird", and -logy from λόγος (''lógos''), meaning "study", is a branch of zoology dedicated to the study of birds. Several aspects of ornithology differ from related discip ...

(died 1813) * July 8 – Dominique Jean Larrey, French

surgeon In medicine, a surgeon is a medical doctor who performs surgery. Even though there are different traditions in different times and places, a modern surgeon is a licensed physician and received the same medical training as physicians before spec ...

, pioneer of battlefield medicine (died 1842) * August 3 – Kurt Sprengel, German

(died 1833) * August 6 – William Hyde Wollaston, English

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a graduated scientist trained in the study of chemistry, or an officially enrolled student in the field. Chemists study the composition of ...

(died

1828 Events January–March * January 4 – Jean Baptiste Gay, vicomte de Martignac succeeds the Jean-Baptiste de Villèle, Comte de Villèle, as Prime Minister of France. * January 8 – The Democratic Party of the United States is organiz ...

) * September 6 –

John Dalton John Dalton (; 5 or 6 September 1766 – 27 July 1844) was an English chemist, physicist and meteorologist. He introduced the atomic theory into chemistry. He also researched Color blindness, colour blindness; as a result, the umbrella term ...

, English chemist and

physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...

(died 1844) * September 24 – John Farey, Sr., English

geologist A geologist is a scientist who studies the structure, composition, and History of Earth, history of Earth. Geologists incorporate techniques from physics, chemistry, biology, mathematics, and geography to perform research in the Field research, ...

(died 1826) * December 23 – Wilhelm Hisinger, Swedish physicist and chemist (died 1852) * December 26 – William Goforth, American physician and paleontologist (died 1817) * December 29 – Charles Macintosh, Scottish inventor of a waterproof fabric (died

1843 Events January–March * January 3 – The '' Illustrated Treatise on the Maritime Kingdoms'' (海國圖志, ''Hǎiguó Túzhì'') compiled by Wei Yuan and others, the first significant Chinese work on the West, is published in China. * J ...

) * John Templeton, "father of Irish botany" (died 1825)

Deaths

* March 10 – Jane Colden, American botanist (born 1724) * May 5 –

Jean Astruc Jean Astruc (19 March 1684, in Sauve, France – 5 May 1766, in Paris) was a professor of medicine in France at Montpellier and Paris, who wrote the first great treatise on syphilis and venereal diseases, and also, with a small anonymously publ ...

, French physician and scholar (born 1684) * November 29 – John Wyatt, English inventor (born 1700)

References

{{reflist 18th century in science 1760s in science