The year 1846 in

science Science is a systematic endeavor that Scientific method, builds and organizes knowledge in the form of Testability, testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earli ...

and

technology Technology is the application of knowledge to reach practical goals in a specifiable and Reproducibility, reproducible way. The word ''technology'' may also mean the product of such an endeavor. The use of technology is widely prevalent in me ...

involved some significant events, listed below.

Astronomy

* February 20 –

Francesco de Vico Father Francesco de Vico (also known as de Vigo, De Vico and even DeVico; 19 May 1805 in Macerata – 15 November 1848 in London) was an Italian astronomer and a Jesuit priest. Biography He was educated at the college of Urbino, and became in 183 ...

discovers

comet A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail. These phenomena ...

122P/de Vico 122P/de Vico (provisional designation: 1846 D1) is a periodic comet with an orbital period of 74 years. It fits the classical definition of a Halley-type comet with (20 years <

Urbain Le Verrier Urbain Jean Joseph Le Verrier FRS (FOR) H FRSE (; 11 March 1811 – 23 September 1877) was a French astronomer and mathematician who specialized in celestial mechanics and is best known for predicting the existence and position of Neptune usin ...

predicts the existence and location of Neptune from irregularities in the orbit of

Uranus Uranus is the seventh planet from the Sun. Its name is a reference to the Greek god of the sky, Uranus ( Caelus), who, according to Greek mythology, was the great-grandfather of Ares (Mars), grandfather of Zeus (Jupiter) and father of ...

. * August 8 – Neptune observed but not recognised by

James Challis James Challis FRS (12 December 1803 – 3 December 1882) was an English clergyman, physicist and astronomer. Plumian Professor of Astronomy and Experimental Philosophy and the director of the Cambridge Observatory, he investigated a wide ra ...

. * August 31 – Urbain Le Verrier publishes full details of the predicted orbit and the mass of the new planet. * September 23 – Johann Galle discovers Neptune. * October 10 –

William Lassell William Lassell (18 June 1799 – 5 October 1880) was an English merchant and astronomer.Triton Triton commonly refers to: * Triton (mythology), a Greek god * Triton (moon), a satellite of Neptune Triton may also refer to: Biology * Triton cockatoo, a parrot * Triton (gastropod), a group of sea snails * ''Triton'', a synonym of ''Triturus' ...

, Neptune's largest

moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...

Biology

Royal Botanic Gardens, Melbourne Royal Botanic Gardens Victoria are botanic gardens across two sites–Melbourne and Cranbourne. Melbourne Gardens was founded in 1846 when land was reserved on the south side of the Yarra River for a new botanic garden. It extends across ...

, established in Australia.

Chemistry

Abraham Pineo Gesner Abraham Pineo Gesner, ONB (; May 2, 1797 – April 29, 1864) was a Canadian physician and geologist who invented kerosene. Gesner was born in Cornwallis, Nova Scotia (now called Chipmans Corner) and lived much of his life in Saint John, New Bru ...

develops a process to refine a liquid fuel, which he calls

kerosene Kerosene, paraffin, or lamp oil is a combustible hydrocarbon liquid which is derived from petroleum. It is widely used as a fuel in aviation as well as households. Its name derives from el, κηρός (''keros'') meaning "wax", and was regi ...

, from

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 elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when ...

, bitumen or

oil shale Oil shale is an organic-rich fine-grained sedimentary rock containing kerogen (a solid mixture of organic chemical compounds) from which liquid hydrocarbons can be produced. In addition to kerogen, general composition of oil shales constitut ...

Mathematics

* Augustin-Louis Cauchy publishes Green's theorem. *

James Clerk Maxwell James Clerk Maxwell (13 June 1831 – 5 November 1879) was a Scottish mathematician and scientist responsible for the classical theory of electromagnetic radiation, which was the first theory to describe electricity, magnetism and li ...

's first scientific paper describes a mechanical means of drawing mathematical

curve In mathematics, a curve (also called a curved line in older texts) is an object similar to a line, but that does not have to be straight. Intuitively, a curve may be thought of as the trace left by a moving point. This is the definition that ...

s with a piece of twine, and the properties of ellipses, Cartesian ovals and related curves with more than two

foci Focus, or its plural form foci may refer to: Arts * Focus or Focus Festival, former name of the Adelaide Fringe arts festival in South Australia Film *''Focus'', a 1962 TV film starring James Whitmore * ''Focus'' (2001 film), a 2001 film based ...

. It has to be read on his behalf to the Royal Society of Edinburgh as he is a 14-year-old schoolboy at this time.

Medicine

* October 16 – Dentist

William T. G. Morton William Thomas Green Morton (August 9, 1819 – July 15, 1868) was an American dentist and physician who first publicly demonstrated the use of inhaled ether as a surgical anesthetic in 1846. The promotion of his questionable claim to have been th ...

becomes the first person ''publicly'' to demonstrate the use of

diethyl ether Diethyl ether, or simply ether, is an organic compound in the ether class with the formula , sometimes abbreviated as (see Pseudoelement symbols). It is a colourless, highly volatile, sweet-smelling ("ethereal odour"), extremely flammable li ...

as a general

anesthetic An anesthetic (American English) or anaesthetic (British English; see spelling differences) is a drug used to induce anesthesia ⁠— ⁠in other words, to result in a temporary loss of sensation or awareness. They may be divided into two ...

in what becomes known as the

Ether Dome The Ether Dome is a surgical operating amphitheater in the Bulfinch Building at Massachusetts General Hospital in Boston. It served as the hospital's operating room from its opening in 1821 until 1867. It was the site of the first public demonstr ...

of Massachusetts General Hospital. * December 21 –

British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...

surgeon

Robert Liston Robert Liston (28 October 1794 – 7 December 1847) was a British surgeon. Liston was noted for his speed and skill in an era prior to anaesthetics, when speed made a difference in terms of pain and survival. He was the first Professor of Cl ...

carries out the first operation under anesthesia in Europe. *

Édouard Séguin Édouard Séguin (January 20, 1812 – October 28, 1880) was a French physician and educationist born in Clamecy, Nièvre. He is remembered for his work with children having cognitive impairments in France and the United States. Background and c ...

publishes ''Traitement moral, hygiène et éducation des idiots et des autres enfants arriérés'' in

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), ma ...

, the earliest systematic textbook dealing with the

special needs In clinical diagnostic and functional development, special needs (or additional needs) refers to individuals who require assistance for disabilities that may be medical, mental, or psychological. Guidelines for clinical diagnosis are given in b ...

of children with

developmental disabilities Developmental disability is a diverse group of chronic conditions, comprising mental or physical impairments that arise before adulthood. Developmental disabilities cause individuals living with them many difficulties in certain areas of life, espe ...

; his views will be influential on both sides of the Atlantic. * Dr J. Collis Browne formulates his laudanum-based pain-relieving

Chlorodyne Chlorodyne was one of the best known patent medicines sold in the British Isles. It was invented in the 19th century by a Dr. John Collis Browne, a doctor in the British Indian Army; its original purpose was in the treatment of cholera. Browne ...

compound while serving in the British Indian Army.

Technology

* January 13 – Opening of the

Milan–Venice railway The Milan–Venice railway line is one of the most important railway lines in Italy. It connects the major city of Milan, in Lombardy, with the Adriatic Sea at Venice, in Veneto. The line is state-owned and operated by the state rail infrastructu ...

's bridge over the Venetian Lagoon between

Mestre Mestre () is a borough of the ''comune'' (municipality) of Venice, on the mainland opposite the historical island city in the region of Veneto, Italy. Administratively, Mestre forms (together with the nearby Carpenedo) the ''Municipalità di ...

and

Venice Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 bridges. The isla ...

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...

, the world's longest since 1151. * June 28 –

Adolphe Sax Antoine-Joseph "Adolphe" Sax (; 6 November 1814 – 4 February 1894) was a Belgian inventor and musician who invented the saxophone in the early 1840s, patenting it in 1846. He also invented the saxotromba, saxhorn and saxtuba. He played the f ...

patent A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention."A ...

s the

saxophone The saxophone (often referred to colloquially as the sax) is a type of Single-reed instrument, single-reed woodwind instrument with a conical body, usually made of brass. As with all single-reed instruments, sound is produced when a reed (mouthpi ...

. * September 10 –

Elias Howe Elias Howe Jr. (; July 9, 1819October 3, 1867) was an American inventor best known for his creation of the modern lockstitch sewing machine. Early life Elias Howe Jr. was born on July 9, 1819, to Dr. Elias Howe Sr. and Polly (Bemis) Howe in ...

is awarded the first

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

patent for a sewing machine using a

lockstitch A lockstitch is the most common mechanical stitch made by a sewing machine. The term "single needle stitching", often found on dress shirt labels, refers to lockstitch. Structure The lockstitch uses two threads, an upper and a lower. Locksti ...

design. * Scottish-born engineer

Robert William Thomson Robert William Thomson PRSSA FRSE (29 June 1822–8 March 1873), from Stonehaven, Scotland, was the inventor of the fountain pen and original inventor of the pneumatic tyre. Life He was born on 29 June 1822 in Stonehaven in the northeas ...

is granted his first patent for a

pneumatic tyre Pneumatics (from Greek ‘wind, breath’) is a branch of engineering that makes use of gas or pressurized air. Pneumatic systems used in industry are commonly powered by compressed air or compressed inert gases. A centrally located and ele ...

, in France. * William Armstrong's first

hydraulic Hydraulics (from Greek: Υδραυλική) is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids. At a very basic level, hydraulics is the liquid counte ...

crane is erected at

Newcastle upon Tyne Newcastle upon Tyne ( RP: , ), or simply Newcastle, is a city and metropolitan borough in Tyne and Wear, England. The city is located on the River Tyne's northern bank and forms the largest part of the Tyneside built-up area. Newcastle is ...

in England. *

Squire Whipple Squire Whipple (September 16, 1804 – March 15, 1888) was an American civil engineer. Biography Squire Whipple was born in Hardwick, Massachusetts on September 16, 1804. His family moved to New York when he was thirteen. He received his sec ...

introduces the trapezoidal Whipple truss for bridges in the United States.

Awards

* Copley Medal:

Wollaston Medal The Wollaston Medal is a scientific award for geology, the highest award granted by the Geological Society of London. The medal is named after William Hyde Wollaston, and was first awarded in 1831. It was originally made of gold (1831–1845), ...

: William Lonsdale

Births

* February 10 –

Ira Remsen Ira Remsen (February 10, 1846 – March 4, 1927) was an American chemist who discovered the artificial sweetener saccharin along with Constantin Fahlberg. He was the second president of Johns Hopkins University. Early life Ira Remsen was bor ...

(died

1927 Events January * January 1 – The British Broadcasting ''Company'' becomes the British Broadcasting ''Corporation'', when its Royal Charter of incorporation takes effect. John Reith becomes the first Director-General. * January 7 ...

), American

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe t ...

. * March 1 –

Vasily Dokuchaev Vasily Vasilyevich Dokuchaev (russian: Васи́лий Васи́льевич Докуча́ев; 1 March 1846 – 8 November 1903) was a Russian geologist and geographer who is credited with laying the foundations of soil science. The ...

(died

1903 Events January * January 1 – Edward VII is proclaimed Emperor of India. * January 19 – The first west–east transatlantic radio broadcast is made from the United States to England (the first east–west broadcast having bee ...

Russian Russian(s) refers to anything related to Russia, including: *Russians (, ''russkiye''), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *Rossiyane (), Russian language term for all citizens and peo ...

geologist A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, earth science, or geophysics, althoug ...

. * September 16 –

Anna Kingsford Anna Kingsford (; 16 September 1846 – 22 February 1888), was an English anti-vivisectionist, vegetarian and women's rights campaigner. She was one of the first English women to obtain a degree in medicine, after Elizabeth Garrett Anderson, an ...

(died

1888 In Germany, 1888 is known as the Year of the Three Emperors. Currently, it is the year that, when written in Roman numerals, has the most digits (13). The next year that also has 13 digits is the year 2388. The record will be surpassed as late ...

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...

physician A physician (American English), medical practitioner (Commonwealth English), medical doctor, or simply doctor, is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through th ...

, anti-vivisectionist and

vegetarian Vegetarianism is the practice of abstaining from the consumption of meat (red meat, poultry, seafood, insects, and the flesh of any other animal). It may also include abstaining from eating all by-products of animal slaughter. Vegetariani ...

. * October 3 –

Samuel Jean de Pozzi Samuel Jean de Pozzi (3 October 1846 – 13 June 1918) was a French surgeon and gynecologist. He was also interested in anthropology and neurology. He is remembered today for John Singer Sargent's portrait of him. Early life Samuel-Jean Pozzy ( ...

(murdered 1918), French gynaecologist. * December 12 –

Eugen Baumann Eugen Baumann (12 December 1846 – 3 November 1896) was a German chemist. He was one of the first people to create polyvinyl chloride (PVC), and, together with Carl Schotten, he discovered the Schotten-Baumann reaction. Life Baumann was born i ...

(died

1896 Events January–March * January 2 – The Jameson Raid comes to an end, as Jameson surrenders to the Boers. * January 4 – Utah is admitted as the 45th U.S. state. * January 5 – An Austrian newspaper reports that ...

German German(s) may refer to: * Germany (of or related to) ** Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

chemist. * December 21 ( O.S. 2 January 1847) –

Julia Lermontova Julia Lermontova rus, Юлия Всеволодовна Лермонтова (21 December 1846 – 16 December 1919 Old Style and New Style dates, O.S. 2 January 1847 ), was a Russian chemist. She is known as the first Russian woman to ea ...

(died

1919 Events January * January 1 ** The Czechoslovak Legions occupy much of the self-proclaimed "free city" of Pressburg (now Bratislava), enforcing its incorporation into the new republic of Czechoslovakia. ** HMY ''Iolaire'' sinks off the ...

), Russian chemist.

Deaths

* January 30 – Joseph Carpue (born

1764 1764 ( MDCCLXIV) was a leap year starting on Sunday and is the fifth year of the 1760s decade, the 64th year of the 18th century, and the 764th year of the 2nd millennium. Events January–June * January 7 – The Siculicidium is ...

) English surgeon. * March 17 –

Friedrich Bessel Friedrich Wilhelm Bessel (; 22 July 1784 – 17 March 1846) was a German astronomer, mathematician, physicist, and geodesist. He was the first astronomer who determined reliable values for the distance from the sun to another star by the method ...

(born

1784 Events January–March * January 6 – Treaty of Constantinople: The Ottoman Empire agrees to Russia's annexation of the Crimea. * January 14 – The Congress of the United States ratifies the Treaty of Paris with Great Bri ...

), German

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, structure, space, models, and change. History On ...

. * August 6 – John Bostock (born

1773 Events January–March * January 1 – The hymn that becomes known as '' Amazing Grace'', at this time titled "1 Chronicles 17:16–17", is first used to accompany a sermon led by curate John Newton in the town of Olney, Bucki ...

), English physician and geologist (died of cholera). * October 2 –

Benjamin Waterhouse Benjamin Waterhouse (March 4, 1754, Newport, Colony of Rhode Island and Providence Plantations – October 2, 1846, Cambridge, Massachusetts) was a physician, co-founder and professor of Harvard Medical School. He is most well known for being ...

(born 1754), American physician. *

Maria Medina Coeli Maria Medina Coeli (1764 in Chiavenna – 1846 in Pianello Lario) (also known as Helena Perpenti) was an Italian physician, inventor and botanist. Maria was the daughter of the physician Sebastian Medina Coeli and his wife Isabella Battistessa C ...

(born

), Italian physician.

References

{{reflist 19th century in science 1840s in science