The year 1761 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, listed below.

Astronomy

* June 6 – The first

transit of Venus A transit of Venus takes place when Venus passes directly between the Sun and the Earth (or any other superior planet), becoming visible against (and hence obscuring a small portion of) the solar disk. During a transit, Venus is visible as ...

since

Edmond Halley Edmond (or Edmund) Halley (; – ) was an English astronomer, mathematician and physicist. He was the second Astronomer Royal in Britain, succeeding John Flamsteed in 1720. From an observatory he constructed on Saint Helena in 1676–77, Hal ...

suggested that its observation could determine the distance from the

Earth Earth is the third planet from the Sun and the only astronomical object known to Planetary habitability, harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all ...

to the

Sun The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light a ...

Joseph-Nicolas Delisle Joseph-Nicolas Delisle (; 4 April 1688 – 11 September 1768) was a French astronomer and cartographer. Delisle is mostly known for the Delisle scale, a temperature scale he invented in 1732. Life Joseph was born in Paris, one of the 11 sons o ...

set up a 62-station network for observing the transit. Those taking part included: **

Nathaniel Bliss Nathaniel Bliss (28 November 1700 – 2 September 1764) was an English astronomer of the 18th century, serving as Britain's fourth Astronomer Royal between 1762 and 1764. Bliss studied at Oxford University and later became the Savilian Pr ...

at the

Royal Greenwich Observatory The Royal Observatory, Greenwich (ROG; known as the Old Royal Observatory from 1957 to 1998, when the working Royal Greenwich Observatory, RGO, temporarily moved south from Greenwich to Herstmonceux) is an observatory situated on a hill in G ...

near London ** César Cassini de Thury in

Vienna Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...

Jean-Baptiste Chappe d'Auteroche Jean-Baptiste Chappe d'Auteroche (; 23 March 1722 – 1 August 1769) was a French astronomer, best known for his observations of the Transit of Venus, transits of Venus in 1761 and 1769. Early life Little is known of Chappe's early life. He was ...

Tobolsk Tobolsk (, ) is a town in Tyumen Oblast, Russia, located at the confluence of the Tobol and Irtysh rivers. Founded in 1587, Tobolsk is the second-oldest Russian settlement east of the Ural Mountains in Asian Russia, and was the historic capita ...

Siberia Siberia ( ; , ) is an extensive geographical region comprising all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has formed a part of the sovereign territory of Russia and its predecessor states ...

Jeremiah Dixon Jeremiah Dixon (27 July 1733 – 22 January 1779), British surveyor and astronomer, created the Mason–Dixon line with Charles Mason, from 1763 to 1767, which became significant during the American Civil War. Early life and education Dixon wa ...

and

Charles Mason Charles Mason (25 April 1728 Cape Town Cape Town is the legislature, legislative capital city, capital of South Africa. It is the country's oldest city and the seat of the Parliament of South Africa. Cape Town is the country's List of municipalities in South Africa, second-largest ...

South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...

(they had originally planned to go to Bengcoolen,

Sumatra Sumatra () is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the list of islands by area, sixth-largest island in the world at 482,286.55 km2 (182,812 mi. ...

) **

Maximilian Hell Maximilian Hell () (born Rudolf Maximilian Höll; May 15, 1720 – April 14, 1792) was an astronomer and an ordained Jesuit priest from the Kingdom of Hungary. The lunar crater Hell is named after him. Biography Born as Rudolf Maximilian Höl ...

Vardø Vardo or Vardø may refer to: Places * Vardø Municipality, a municipality in Finnmark county, Norway *Vardø (town) (Norwegian language, Norwegian; ), , or is a List of towns and cities in Norway, town and the administrative centre of Vard� ...

Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...

Joseph de Lalande Joseph is a common male name, derived from the Hebrew (). "Joseph" is used, along with " Josef", mostly in English, French and partially German languages. This spelling is also found as a variant in the languages of the modern-day Nordic count ...

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

Tobias Mayer Tobias Mayer (17 February 172320 February 1762) was a German astronomer famous for his studies of the Moon. He was born at Marbach, in Württemberg, and brought up at Esslingen in poor circumstances. A self-taught mathematician, he earned a l ...

Göttingen Göttingen (, ; ; ) is a college town, university city in Lower Saxony, central Germany, the Capital (political), capital of Göttingen (district), the eponymous district. The River Leine runs through it. According to the 2022 German census, t ...

Nevil Maskelyne Nevil Maskelyne (; 6 October 1732 – 9 February 1811) was the fifth British Astronomer Royal. He held the office from 1765 to 1811. He was the first person to scientifically measure the mass of the planet Earth. He created '' The Nautical Al ...

Saint Helena Saint Helena (, ) is one of the three constituent parts of Saint Helena, Ascension and Tristan da Cunha, a remote British overseas territory. Saint Helena is a volcanic and tropical island, located in the South Atlantic Ocean, some 1,874 km ...

Alexandre Pingré Alexandre may refer to: * Alexandre (given name) * Alexandre (surname) * Alexandre (film) See also * Alexander * Alexandra (disambiguation) * Xano (disambiguation) Xano is the name of: * Xano, a Portuguese hypocoristic of the name " Alexandre (di ...

Rodrigues Island Rodrigues ( ; Creole: ) is a autonomous outer island of the Republic of Mauritius in the Indian Ocean, about east of Mauritius. It is part of the Mascarene Islands, which include Mauritius and Réunion. Like Agaléga, Rodrigues is a consti ...

(where he makes the last record of the

Rodrigues parrot The Rodrigues parrot or Leguat's parrot (''Necropsittacus rodricanus'') is an extinct species of parrot that was endemic to the Mascarene island of Rodrigues. The species is known from subfossil bones and from mentions in contemporary accounts. ...

) **

John Winthrop John Winthrop (January 12, 1588 – March 26, 1649) was an English Puritan lawyer and a leading figure in the founding of the Massachusetts Bay Colony, the second major settlement in New England following Plymouth Colony. Winthrop led the fir ...

in St. John's,

Newfoundland Newfoundland and Labrador is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region of Labrador, having a total size of . As of 2025 the population ...

Mikhail Lomonosov Mikhail Vasilyevich Lomonosov (; , ; – ) was a Russian polymath, scientist and writer, who made important contributions to literature, education, and science. Among his discoveries were the atmosphere of Venus and the law of conservation of ...

, who finds the first evidence that the planet has an

atmosphere An atmosphere () is a layer of gases that envelop an astronomical object, held in place by the gravity of the object. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low. A stellar atmosph ...

Guillaume Le Gentil Guillaume Joseph Hyacinthe Jean-Baptiste Le Gentil de la Galaisière (, 11 or 12 September 1725 – 22 October 1792) was a French astronomer who discovered several nebulae and was appointed to the Royal Academy of Sciences. He wrote on the est ...

, who had hoped to observe from

Pondicherry Pondicherry, officially known as Puducherry, is the Capital city, capital and most populous city of the Puducherry (union territory), Union Territory of Puducherry in India. The city is in the Puducherry district on the southeast coast of Indi ...

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

, is prevented from doing so due to the

Seven Years' War The Seven Years' War, 1756 to 1763, was a Great Power conflict fought primarily in Europe, with significant subsidiary campaigns in North America and South Asia. The protagonists were Kingdom of Great Britain, Great Britain and Kingdom of Prus ...

and

Ruđer Bošković Roger Joseph Boscovich (, ; ; ; 18 May 1711 – 13 February 1787) was a Croatian physicist, astronomer, mathematician, philosopher, diplomat, poet, theologian, Jesuit priest, and a polymath from the Republic of Ragusa.Constantinople Constantinople (#Names of Constantinople, see other names) was a historical city located on the Bosporus that served as the capital of the Roman Empire, Roman, Byzantine Empire, Byzantine, Latin Empire, Latin, and Ottoman Empire, Ottoman empire ...

Botany

* Louis Gérard publishes ''Flora Gallo-Provincialis'', the first

flora Flora (: floras or florae) is all the plant life present in a particular region or time, generally the naturally occurring (indigenous (ecology), indigenous) native plant, native plants. The corresponding term for animals is ''fauna'', and for f ...

arranged according to natural classification.

Chemistry

Johan Gottschalk Wallerius Johan Gottschalk Wallerius (11 July 1709 – 16 November 1785) was a Swedish chemist and mineralogist. Biography Wallerius was born at Stora Mellösa in Närke (now Örebro County), Sweden. He was a son of provost Erik Nilsson Wallerius and h ...

publishes his pioneering work in

agricultural chemistry Agricultural chemistry is the chemistry, especially organic chemistry and biochemistry, as they relate to agriculture. Agricultural chemistry embraces the structures and chemical reactions relevant in the production, protection, and use of Crop, ...

, ''Agriculturae fundamenta chemica'' (').

Mathematics

Johann Heinrich Lambert Johann Heinrich Lambert (; ; 26 or 28 August 1728 – 25 September 1777) was a polymath from the Republic of Mulhouse, at that time allied to the Switzerland, Swiss Confederacy, who made important contributions to the subjects of mathematics, phys ...

gives a

proof that π is irrational In the 1760s, Johann Heinrich Lambert was the first to prove that the number is irrational, meaning it cannot be expressed as a fraction a/b, where a and b are both integers. In the 19th century, Charles Hermite found a proof that requires no p ...

Medicine

Leopold Auenbrugger Josef Leopold Auenbrugger or Avenbrugger (19 November 1722 – 17 May 1809), also known as Leopold von Auenbrugger, was an Austrian physician who invented percussion as a diagnostic technique. On the strength of this discovery, he is considered ...

publishes ''Novum ex Percussione Thoracis Humani Interni Pectoris Morbos Detegendi'' in Vienna, for the first time advocating

percussion A percussion instrument is a musical instrument that is sounded by being struck or scraped by a percussion mallet, beater including attached or enclosed beaters or Rattle (percussion beater), rattles struck, scraped or rubbed by hand or ...

of the chest as a diagnostic measure. *

Giovanni Battista Morgagni Giovanni Battista Morgagni (25 February 1682 – 6 December 1771) was an Italian anatomy, anatomist, generally regarded as the father of modern anatomical pathology, who taught thousands of medical students from many countries during his 56 year ...

publishes ' ("Of the seats and causes of diseases investigated through anatomy", published in Venice), a pioneering work of

anatomical pathology Anatomical pathology (''Commonwealth'') or anatomic pathology (''U.S.'') is a medical specialty that is concerned with the diagnosis of disease based on the macroscopic, microscopic, biochemical, immunologic and molecular examination ...

. *

Samuel-Auguste Tissot Samuel Auguste André David Tissot (; 20 March 1728 – 13 June 1797) was a notable 18th-century Swiss people, Swiss physician. Life A well-reputed Calvinist Protestant neurologist, physician, professor and Vatican adviser, Tissot practiced in t ...

publishes ''Avis au peuple sur sa santé'', a popular text of the century.

Veterinary medicine

* August 4 –

Claude Bourgelat Claude Bourgelat (27 March 1712 – 3 January 1779) was a French veterinary surgeon. He was a founder of scientifically informed veterinary medicine Veterinary medicine is the branch of medicine that deals with the prevention, management, me ...

founds the first

veterinary school Veterinary education is the tertiary education of veterinarians. To become a veterinarian, one must first complete a degree in veterinary medicine Doctor of Veterinary Medicine (DVM, V.M.D., BVS, BVSc, BVMS, BVM etc.). In the United States and C ...

, in

Lyon Lyon (Franco-Provençal: ''Liyon'') is a city in France. It is located at the confluence of the rivers Rhône and Saône, to the northwest of the French Alps, southeast of Paris, north of Marseille, southwest of Geneva, Switzerland, north ...

; courses begin in

1762 Events January–March * January 4 – Seven Years' War: Kingdom of Great Britain, Britain declares war against Enlightenment in Spain, Spain and Kingdom of Naples, Naples, following their Treaty of Paris (1761), recent alliance ...

Technology

* Opening of

Matthew Boulton Matthew Boulton ( ; 3 September 172817 August 1809) was an English businessman, inventor, mechanical engineer, and silversmith. He was a business partner of the Scottish engineer James Watt. In the final quarter of the 18th century, the par ...

Soho Manufactory The Soho Manufactory () was an early factory which pioneered mass production on the assembly line principle, in Soho, Birmingham, England, at the beginning of the Industrial Revolution. It operated from 1766–1848 and was demolished in 1853. B ...

in England. * The British

Royal Navy The Royal Navy (RN) is the naval warfare force of the United Kingdom. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King of the United Kingdom, King. Although warships were used by Kingdom ...

first experiments with the

copper sheathing Copper sheathing is a method for protecting the hull of a wooden vessel from attack by shipworm, barnacles and other marine growth through the use of copper plates affixed to the surface of the hull, below the waterline. It was pioneered and d ...

of its warship hulls.

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 ...

: not awarded

Births

* January 17 – James Hall (died

1832 Events January–March * January 6 – Abolitionist William Lloyd Garrison founds the New-England Anti-Slavery Society. * January 13 – The Christmas Rebellion of slaves is brought to an end in Jamaica, after the island's white pla ...

Scottish Scottish usually refers to something of, from, or related to Scotland, including: *Scottish Gaelic, a Celtic Goidelic language of the Indo-European language family native to Scotland *Scottish English *Scottish national identity, the Scottish ide ...

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, ...

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 ...

. * January 19 –

Pierre Marie Auguste Broussonet Pierre Marie Auguste Broussonet (28 February 1761 – 17 January 1807) was a French naturalist who contributed primarily to botany. He was born in Montpellier, where he was educated, and travelled to Morocco, Spain, the Canary Islands, and Souther ...

(died

1807 Events January–March *January 7 – The United Kingdom of Great Britain and Ireland issues an Order in Council prohibiting British ships from trading with France or its allies. *January 20 – The Sierra Leone Company, faced with b ...

), French

naturalist Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is cal ...

and

physician A physician, medical practitioner (British English), medical doctor, or simply doctor is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through the Medical education, study, Med ...

. * February 1 –

Christiaan Hendrik Persoon Christiaan Hendrik Persoon (31 December 1761 – 16 November 1836) was a Cape Colony mycologist who is recognized as one of the founders of mycology, mycological Taxonomy (biology), taxonomy. Early life Persoon was born in Cape Colony at ...

(died

1836 Events January–March * January 1 — Hill Street Academy is named Colombo Academy and acquired by the Government, establishing the first public school in Sri Lanka. * January 1 – Queen Maria II of Portugal marries Prince Ferdinand ...

n-born

Pomerania Pomerania ( ; ; ; ) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The central and eastern part belongs to the West Pomeranian Voivodeship, West Pomeranian, Pomeranian Voivod ...

Dutch Dutch or Nederlands commonly refers to: * Something of, from, or related to the Netherlands ** Dutch people as an ethnic group () ** Dutch nationality law, history and regulations of Dutch citizenship () ** Dutch language () * In specific terms, i ...

mycologist Mycology is the branch of biology concerned with the study of fungi, including their taxonomy, genetics, biochemical properties, and use by humans. Fungi can be a source of tinder, food, traditional medicine, as well as entheogens, poison, and ...

. * February 4 –

Blasius Merrem Blasius Merrem (4 February 1761 – 23 February 1824) was a German natural history, naturalist, zoologist, Ornithology, ornithologist, mathematician, and Herpetology, herpetologist. In 1804, he became the professor of political economy and botan ...

(died

1824 Events January–March * January 1 – John Stuart Mill begins publication of The Westminster Review. The first article is by William Johnson Fox * January 8 – After much controversy, Michael Faraday is finally elected as a member of th ...

), German

zoologist Zoology ( , ) is the scientific study of animals. Its studies include the structure, embryology, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems. Zoology is one ...

. * June 7 – John Rennie (died

1821 Events January–March * January 21 – Peter I Island in the Antarctic is first sighted, by Fabian Gottlieb von Bellingshausen. * January 26 – Congress of Laibach convenes to deal with outstanding international issues, particularly ...

), Scottish-born

civil engineer A civil engineer is a person who practices civil engineering – the application of planning, designing, constructing, maintaining, and operating infrastructure while protecting the public and environmental health, as well as improving existing i ...

. * October 27 –

Matthew Baillie Matthew Baillie FRS (27 October 1761 – 23 September 1823) was a British physician and pathologist, credited with first identifying transposition of the great vessels (TGV) and situs inversus. Early life and education Matthew Baillie was born ...

(died

1823 Events January–March * January 22 – By secret treaty signed at the Congress of Verona, the Quintuple Alliance gives France a mandate to invade Spain for the purpose of restoring Ferdinand VII (who has been captured by armed revoluti ...

), Scottish-born

pathologist Pathology is the study of disease. The word ''pathology'' also refers to the study of disease in general, incorporating a wide range of biology research fields and medical practices. However, when used in the context of modern medical treatme ...

. * November 30 –

Smithson Tennant Smithson Tennant Royal Society#Fellows, FRS (30 November 1761 – 22 February 1815) was an English chemist. He is best known for his discovery of the elements iridium and osmium, which he found in the residues from the solution of platinum ores ...

(died

1815 Events January * January 2 – Lord Byron marries Anna Isabella Milbanke in Seaham, county of Durham, England. * January 3 – Austria, Britain, and Bourbon-restored France form a secret defensive alliance treaty against Pr ...

English English usually refers to: * English language * English people English may also refer to: Culture, language and peoples * ''English'', an adjective for something of, from, or related to England * ''English'', an Amish ter ...

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 ...

. * December 21 –

Jean-Louis Pons Jean-Louis Pons (24 December 176114 October 1831) was a French astronomer. Despite humble beginnings and being self-taught, he went on to become the greatest visual comet discoverer of all time: between 1801 and 1827 Pons discovered thirty-seven ...

(died

1831 Events January–March * January 1 – William Lloyd Garrison begins publishing '' The Liberator'', an anti-slavery newspaper, in Boston, Massachusetts. * January 10 – Japanese department store, Takashimaya in Kyoto estab ...

French French may refer to: * Something of, from, or related to France ** French language, which originated in France ** French people, a nation and ethnic group ** French cuisine, cooking traditions and practices Arts and media * The French (band), ...

astronomer An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth. Astronomers observe astronomical objects, such as stars, planets, natural satellite, moons, comets and galaxy, galax ...

. * December 25 –

William Gregor William Gregor (25 December 1761 – 11 June 1817) was a British clergyman and mineralogist who discovered the elemental metal Titanium. Early years He was born at the Trewarthenick Estate in Cornwall, the son of Francis Gregor and Mary C ...

(died

1817 Events January–March * January 1 – Sailing through the Sandwich Islands, Otto von Kotzebue discovers New Year Island. * January 19 – An army of 5,423 soldiers, led by General José de San Martín, starts crossing t ...

), Cornish

mineralogist Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical mineralogy, optical) properties of minerals and mineralized artifact (archaeology), artifacts. Specific s ...

Deaths

* January 4 –

Stephen Hales Stephen Hales (17 September 16774 January 1761) was an English clergyman who made major contributions to a range of scientific fields including botany, pneumatic chemistry and physiology. He was the first person to measure blood pressure. He al ...

(born

1677 Events January–March * January 1 – Jean Racine's tragedy '' Phèdre'' is first performed, in Paris. * January 21 – The first medical publication in America (a pamphlet on smallpox) is produced in Boston. * February 15 ...

), English

physiologist Physiology (; ) is the scientific study of functions and mechanisms in a living system. As a subdiscipline of biology, physiology focuses on how organisms, organ systems, individual organs, cells, and biomolecules carry out chemical and ...

and clergyman. * March 21 –

Pierre Fauchard Pierre Fauchard (; 2 January 1679 – 21 March 1761) was a French physician, credited as being the "father of modern dentistry". He is widely known for writing the first complete scientific description of dentistry, ''Le Chirurgien Dentiste'' ('' ...

(born

1679 Events January–March * January 24 – King Charles II of England dissolves the "Cavalier Parliament", after nearly 18 years. * February 3 – Moroccan troops from Fez are killed, along with their commander Moussa ben Ahmed ...

), French

and "father of modern dentistry". * April 7 –

Thomas Bayes Thomas Bayes ( , ; 7 April 1761) was an English statistician, philosopher and Presbyterian minister who is known for formulating a specific case of the theorem that bears his name: Bayes' theorem. Bayes never published what would become his m ...

(born c.

1702 In the Swedish calendar it was a common year starting on Wednesday, one day ahead of the Julian and ten days behind the Gregorian calendar. Events January–March * January 2 – A total solar eclipse is visible from the southern ...

), English

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...

. * May 14 –

Thomas Simpson Thomas Simpson FRS (20 August 1710 – 14 May 1761) was a British mathematician and inventor known for the eponymous Simpson's rule to approximate definite integrals. The attribution, as often in mathematics, can be debated: this rule had b ...

(born

1710 In the Swedish calendar it was a common year starting on Saturday, one day ahead of the Julian and ten days behind the Gregorian calendar. Events January–March * January 1 – In Prussia, Cölln is merged with Alt-Berlin ...

), British mathematician. * November –

Giovanni Poleni Giovanni Poleni (; 23 August 1683 – 15 November 1761) was a Marquess, physicist, mathematician and antiquarian. Early life He was the son of Marquess Jacopo Poleni and studied the classics, philosophy, theology, mathematics, and physics ...

(born c.

1683 Events January–March * January 5 – The Brandenburger-African Company, of the German state of Brandenburg, signs a treaty with representatives of the Ahanta tribe (in modern-day Ghana), to establish the fort and settlement ...

Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, a Romance ethnic group related to or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance languag ...

mathematician and

. * November 30 –

John Dollond John Dollond (30 November 1761) was an English optician, known for his successful optics business and his patenting and commercialization of achromatic doublets. Biography Dollond was the son of a Huguenot refugee, a silk-weaver at Spitalfie ...

(born

1706 In the Swedish calendar it was a common year starting on Monday, one day ahead of the Julian and ten days behind the Gregorian calendar. Events January–March * January 26 ** War of Spanish Succession: The uprising by Bavarians aga ...

), English optician.

References

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