The year 1866 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

* May –

William Huggins Sir William Huggins (7 February 1824 – 12 May 1910) was a British astronomer best known for his pioneering work in astronomical spectroscopy together with his wife, Margaret. Biography William Huggins was born at Cornhill, Middlesex, in 1 ...

studies the

emission spectrum The emission spectrum of a chemical element or chemical compound is the Spectrum (physical sciences), spectrum of frequencies of electromagnetic radiation emitted due to electrons making a atomic electron transition, transition from a high energ ...

of a

nova A nova ( novae or novas) is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star (hence the name "nova", Latin for "new") that slowly fades over weeks or months. All observed novae involve white ...

and discovers that it is surrounded by a cloud 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 ...

. * June 4 –

Pluto Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of Trans-Neptunian object, bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most-massive known object to directly orbit the Su ...

(not known at this time) reaches its only

aphelion An apsis (; ) is the farthest or nearest point in the orbit of a planetary body about its primary body. The line of apsides (also called apse line, or major axis of the orbit) is the line connecting the two extreme values. Apsides perta ...

between

1618 Events January–March * January 6 ** Jahangir, ruler of the Mughal Empire in northern India, gives an audience for the first time to a representative of the British East India Company, receiving Sir Thomas Roe at the capital at ...

and 2113. *

Giovanni Schiaparelli Giovanni Virginio Schiaparelli ( , , ; 14 March 1835 – 4 July 1910) was an Italian astronomer and science historian. Biography He studied at the University of Turin, graduating in 1854, and later did research at Berlin Observatory, unde ...

realizes that

meteor A meteor, known colloquially as a shooting star, is a glowing streak of a small body (usually meteoroid) going through Earth's atmosphere, after being heated to incandescence by collisions with air molecules in the upper atmosphere, creating a ...

streams occur when the Earth passes through the

orbit In celestial mechanics, an orbit (also known as orbital revolution) is the curved trajectory of an object such as the trajectory of a planet around a star, or of a natural satellite around a planet, or of an artificial satellite around an ...

of a

comet A comet is an icy, small Solar System body that warms and begins to release gases when passing close to the Sun, a process called outgassing. This produces an extended, gravitationally unbound atmosphere or Coma (cometary), coma surrounding ...

that has left debris along its path.

Biology

Gregor Mendel Gregor Johann Mendel Order of Saint Augustine, OSA (; ; ; 20 July 1822 – 6 January 1884) was an Austrian Empire, Austrian biologist, meteorologist, mathematician, Augustinians, Augustinian friar and abbot of St Thomas's Abbey, Brno, St. Thom ...

publishes his

laws of inheritance Mendelian inheritance (also known as Mendelism) is a type of biological inheritance following the principles originally proposed by Gregor Mendel in 1865 and 1866, re-discovered in 1900 by Hugo de Vries and Carl Correns, and later popularized by ...

. *

Ernst Haeckel Ernst Heinrich Philipp August Haeckel (; ; 16 February 1834 – 9 August 1919) was a German zoologist, natural history, naturalist, eugenics, eugenicist, Philosophy, philosopher, physician, professor, marine biology, marine biologist and artist ...

challenges the plant/animal division of life, observing that single celled organisms, the

protist A protist ( ) or protoctist is any eukaryotic organism that is not an animal, land plant, or fungus. Protists do not form a natural group, or clade, but are a paraphyletic grouping of all descendants of the last eukaryotic common ancest ...

s, do not fit into either category. *

Élie Metchnikoff Ilya Ilyich Mechnikov (; – 15 July 1916), also spelled Élie Metchnikoff, was a zoologist from the Russian Empire of Moldavian noble ancestry and alshereat archive.org best known for his research in immunology (study of immune systems) and ...

describes the early separation of "polecells" (progenital cells) in

parthenogenetic Parthenogenesis (; from the Greek + ) is a natural form of asexual reproduction in which the embryo develops directly from an egg without need for fertilization. In animals, parthenogenesis means the development of an embryo from an unfertiliz ...

Diptera Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advance ...

''. *

Robert John Lechmere Guppy Robert John Lechmere Guppy (15 August 1836 in London – 5 August 1916 in San Fernando, Trinidad and Tobago) was a British-born naturalist after whom the guppy is named. He contributed much to the geology, palaeontology and zoology of the West In ...

discovers the

guppy The Greater Underwater Propulsion Power Program (GUPPY) was initiated by the United States Navy after World War II to improve the submerged speed, maneuverability, and endurance of its submarines. (The "Y" in the acronym was added for pronouncea ...

(fish) in

Trinidad Trinidad is the larger, more populous island of the Republic of Trinidad and Tobago, the country. The island lies off the northeastern coast of Venezuela and sits on the continental shelf of South America. It is the southernmost island in ...

. * Frederick Smith first discovers ''

Formica ''Formica'' is a genus of ants of the subfamily Formicinae, including species commonly known as wood ants, mound ants, thatching ants, and field ants. ''Formica'' is the type genus of the Formicidae, and of the subfamily Formicinae. The type ...

candida'' in the

Bournemouth Bournemouth ( ) is a coastal resort town in the Bournemouth, Christchurch and Poole unitary authority area, in the ceremonial county of Dorset, England. At the 2021 census, the built-up area had a population of 196,455, making it the largest ...

district of England, describing it as ''Formica gagates''. * Nikolai Kaufman publishes his ''Moscow

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 ...

''.

Chemistry

Dynamite Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay), and Stabilizer (chemistry), stabilizers. It was invented by the Swedish people, Swedish chemist and engineer Alfred Nobel in Geesthacht, Northern German ...

invented by

Alfred Nobel Alfred Bernhard Nobel ( ; ; 21 October 1833 – 10 December 1896) was a Swedish chemist, inventor, engineer, and businessman. He is known for inventing dynamite, as well as having bequeathed his fortune to establish the Nobel Prizes. He also m ...

. * August von Hofmann proposes the now standard system of

hydrocarbon In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons are examples of group 14 hydrides. Hydrocarbons are generally colourless and Hydrophobe, hydrophobic; their odor is usually fain ...

nomenclature and invents the Hofmann voltameter. *

Emil Erlenmeyer Richard August Carl Emil Erlenmeyer (28 June 1825 – 22 January 1909), known simply as Emil Erlenmeyer, was a German chemist known for contributing to the early development of the theory of chemical structure and formulating the Erlenmeyer rul ...

proposes that

naphthalene Naphthalene is an organic compound with formula . It is the simplest polycyclic aromatic hydrocarbon, and is a white Crystal, crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 Parts-per notation ...

has a structure of two fused benzene rings.

Earth sciences

* January 26 –

Volcanic eruption A volcanic eruption occurs when material is expelled from a volcanic vent or fissure. Several types of volcanic eruptions have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior h ...

in the

Santorini caldera Santorini caldera is a large, mostly submerged caldera, located in the southern Aegean Sea, 120 kilometers north of Crete in Greece. Visible above water is the circular Santorini island group, consisting of Santorini (known as Thera in antiquity) ...

begins.

Mathematics

* The second smallest pair of

amicable numbers In mathematics, the amicable numbers are two different natural numbers related in such a way that the addition, sum of the proper divisors of each is equal to the other number. That is, ''s''(''a'')=''b'' and ''s''(''b'')=''a'', where ''s''(''n ...

(1184, 1210) is discovered by teenager B. Nicolò I. Paganini.

Medicine

* February 21 –

Lucy Hobbs Taylor Lucy Hobbs Taylor (March 14, 1833 – October 3, 1910) was an American dentist, known for being the first woman to graduate from dental school ( Ohio College of Dental Surgery in 1866). She was originally denied admittance to the Eclectic Medic ...

becomes the world's first woman to receive a doctorate from a

dental college Dental may refer to: * Dental consonant, in phonetics * Dental Records, an independent UK record label * Dentistry, oral medicine * Teeth See also

* * Dental care (disambiguation) * Dentist (disambiguation) * Tooth (disambiguation) {{Disamb ...

(

Ohio College of Dental Surgery The Ohio College of Dental Surgery opened in 1845 in Cincinnati, Ohio, becoming the second private dental college in the world. In 1866 Lucy Hobbs Taylor graduated from this college, making her the first woman to graduate from any dental college. ...

). * July –

Elizabeth Garrett Anderson Elizabeth Garrett Anderson (9 June 1836 – 17 December 1917) was an English physician and suffragist. She is known for being the first woman to qualify in Britain as a physician and surgeon and as a co-founder and dean of the London School o ...

opens the

St Mary's Dispensary The Elizabeth Garrett Anderson and Obstetric Hospital and its predecessor organisations provided health care to women in central London from the mid-Victorian era. It was named after Elizabeth Garrett Anderson, one of Britain's first female physi ...

in London where women can seek medical advice from exclusively female practitioners. *

Max Schultze Max Johann Sigismund Schultze (25 March 1825 – 16 January 1874) was a German microscopic anatomist noted for his work on cell theory. Biography Schultze was born in Freiburg im Breisgau (Baden), son of the anatomist Karl August Sigismund Schu ...

discovers two sorts of 'receptors' in the

retina The retina (; or retinas) is the innermost, photosensitivity, light-sensitive layer of tissue (biology), tissue of the eye of most vertebrates and some Mollusca, molluscs. The optics of the eye create a focus (optics), focused two-dimensional ...

. * Dr

John Langdon Down John Langdon Haydon Down (18 November 1828 – 7 October 1896) was a British physician best known for his description of the genetic condition now known as Down's or Down syndrome, which he originally classified in 1862. He is also noted for h ...

publishes his theory that different types of mental condition can be classified by ethnic characteristics, notably "Mongolism", the genetic

developmental disability 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 ...

now known as Down syndrome. * Invention of a clinical thermometer by

Thomas Clifford Allbutt Sir Thomas Clifford Allbutt KCB, MA, MD, ScD, FRS (20 July 183622 February 1925) was an English physician best known for his role as president of the British Medical Association 1920, for inventing the clinical thermometer, and for supporting ...

. * A

cholera Cholera () is an infection of the small intestine by some Strain (biology), strains of the Bacteria, bacterium ''Vibrio cholerae''. Symptoms may range from none, to mild, to severe. The classic symptom is large amounts of watery diarrhea last ...

epidemic in London causes over 5,000 deaths. *

Patrick Manson Sir Patrick Manson (3 October 1844 – 9 April 1922) was a Scottish physician who made important discoveries in parasitology, and was a founder of the field of tropical medicine. He graduated from the University of Aberdeen with degrees in Ma ...

starts a school of tropical medicine in Hong Kong.

Paleontology

* American paleontologist

Joseph Leidy Joseph Mellick Leidy (September 9, 1823 – April 30, 1891) was an American paleontologist, parasitologist and anatomist. Leidy was professor of anatomy at the University of Pennsylvania, later becoming a professor of natural history at Swarth ...

describes the new genus and species ''

Laelaps aquilunguis ''Dryptosaurus'' ( ) is a genus of eutyrannosaurian theropod dinosaur that lived on the island continent of Appalachia approximately 67-66 million years ago during the end of the Maastrichtian age of the Late Cretaceous period. ''Dryptosaurus'' ...

'', demonstrating that

theropod Theropoda (; from ancient Greek , (''therion'') "wild beast"; , (''pous, podos'') "foot"">wiktionary:ποδός"> (''pous, podos'') "foot" is one of the three major groups (clades) of dinosaurs, alongside Ornithischia and Sauropodom ...

dinosaur Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic Geological period, period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the #Evolutio ...

s walked on their hind limbs rather than on all fours as in earlier reconstructions.

Physics

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

formulates the

Maxwell–Boltzmann distribution In physics (in particular in statistical mechanics), the Maxwell–Boltzmann distribution, or Maxwell(ian) distribution, is a particular probability distribution named after James Clerk Maxwell and Ludwig Boltzmann. It was first defined and use ...

in the

kinetic theory of gases The kinetic theory of gases is a simple classical model of the thermodynamic behavior of gases. Its introduction allowed many principal concepts of thermodynamics to be established. It treats a gas as composed of numerous particles, too small ...

Technology

* January 12 –

Royal Aeronautical Society The Royal Aeronautical Society, also known as the RAeS, is a British multi-disciplinary professional institution dedicated to the global aerospace community. Founded in 1866, it is the oldest Aeronautics, aeronautical society in the world. Memb ...

is formed as 'The Aeronautical Society of Great Britain' in London, the world's oldest such society. * July 27 – The successfully completes laying the

transatlantic telegraph cable Transatlantic telegraph cables were undersea cables running under the Atlantic Ocean for telegraph communications. Telegraphy is a largely obsolete form of communication, and the cables have long since been decommissioned, but telephone and dat ...

between

Valentia Island Valentia Island () is one of Republic of Ireland, Ireland's most westerly points. It lies in Dingle Bay off the Iveragh Peninsula in the southwest of County Kerry. It is linked to the mainland by the Maurice O'Neill Memorial Bridge at Portmagee ...

, Ireland and Heart's Content, Newfoundland, permanently restoring a communications link. * August 23 – Ralph H. Twedell patents the

hydraulic Hydraulics () 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 counterpart of pneumatics, which concer ...

rivet A rivet is a permanent mechanical fastener. Before being installed, a rivet consists of a smooth cylinder (geometry), cylindrical shaft with a head on one end. The end opposite the head is called the ''tail''. On installation, the deformed e ...

er in the United Kingdom.

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 ...

Julius Plücker Julius Plücker (16 June 1801 – 22 May 1868) was a German mathematician and physicist. He made fundamental contributions to the field of analytical geometry and was a pioneer in the investigations of cathode rays that led eventually to the di ...

* Wollaston Medal for Geology:

Charles Lyell Sir Charles Lyell, 1st Baronet, (14 November 1797 – 22 February 1875) was a Scottish geologist who demonstrated the power of known natural causes in explaining the earth's history. He is best known today for his association with Charles ...

Births

* February 1 –

Agda Meyerson Agda Meyerson (1 February 1866 – 27 December 1924) was a Swedish nurse who became an activist to improve the education, pay and working conditions of her profession. She served as vice chair of the in 1910 and on the board of numerous nursing ...

(died

1924 Events January * January 12 – Gopinath Saha shoots Ernest Day, whom he has mistaken for Sir Charles Tegart, the police commissioner of Calcutta, and is arrested soon after. * January 20–January 30, 30 – Kuomintang in Ch ...

Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...

nurse and healthcare profession activist * February 8 –

Moses Gomberg Moses Gomberg (February 8, 1866 – February 12, 1947) was a chemistry professor at the University of Michigan. He was elected to the National Academy of Sciences and the American Philosophical Society, and served as president of the American Chem ...

(died

1947 It was the first year of the Cold War, which would last until 1991, ending with the dissolution of the Soviet Union. Events January * January–February – Winter of 1946–47 in the United Kingdom: The worst snowfall in the country i ...

), Russian-born

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 ...

* February 14 –

Victor Despeignes Victor Despeignes (14 February 1866 – 30 July 1937 ) was a pioneer in radiation oncology. He was possibly the first person to use X-rays to treat cancer, which he did in July 1896 for a patient with stomach cancer. He was also the first physician ...

(died

1937 Events January * January 1 – Anastasio Somoza García becomes President of Nicaragua. * January 5 – Water levels begin to rise in the Ohio River in the United States, leading to the Ohio River flood of 1937, which continues into Feb ...

), French pioneer of

radiation oncology Radiation therapy or radiotherapy (RT, RTx, or XRT) is a treatment using ionizing radiation, generally provided as part of cancer therapy to either kill or control the growth of malignant cells. It is normally delivered by a linear particle a ...

* February 26 –

Herbert Henry Dow Herbert Henry Dow (February 26, 1866 – October 15, 1930) was an American chemical industrialist who founded the American multinational conglomerate Dow Chemical. A graduate of the Case School of Applied Science in Cleveland, Ohio, he was a p ...

(died

1930 Events January * January 15 – The Moon moves into its nearest point to Earth, called perigee, at the same time as its fullest phase of the Lunar Cycle. This is the closest moon distance at in recent history, and the next one will be on J ...

), Canadian-born chemist * April 17 –

Ernest Starling Ernest Henry Starling (17 April 1866 – 2 May 1927) was a British physiologist who contributed many fundamental ideas to this subject. These ideas were important parts of the British contribution to physiology, which at that time led the world. ...

(died

1927 Events January * January 1 – The British Broadcasting ''Company'' becomes the BBC, British Broadcasting ''Corporation'', when its Royal Charter of incorporation takes effect. John Reith, 1st Baron Reith, John Reith becomes the first ...

), 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 ...

* July 13 – Emily Winifred Dickson (died

1944 Events Below, the events of World War II have the "WWII" prefix. January * January 2 – WWII: ** Free France, Free French General Jean de Lattre de Tassigny is appointed to command First Army (France), French Army B, part of the Sixt ...

), Irish-born

gynaecologist Gynaecology or gynecology (see American and British English spelling differences) is the area of medicine concerned with conditions affecting the female reproductive system. It is often paired with the field of obstetrics, which focuses on pre ...

* July 25 –

Frederick Blackman Frederick Frost Blackman FRS (25 July 1866 – 30 January 1947) was a British plant physiologist. Frederick Blackman was born in Lambeth, London to a doctor. He studied medicine at St. Bartholomew's Hospital, graduating MA. In the subsequent y ...

(died

), English plant physiologist * September 13 –

Arthur Pollen Arthur Joseph Hungerford Pollen (13 September 1866 – 28 January 1937) was an English journalist, businessman, and commentator on naval affairs who devised a new computerised fire-control system for use on battleships prior to the First World W ...

(died 1937), English

inventor An invention is a unique or novel device, method, composition, idea, or process. An invention may be an improvement upon a machine, product, or process for increasing efficiency or lowering cost. It may also be an entirely new concept. If an ...

* September 21 –

H. G. Wells Herbert George Wells (21 September 1866 – 13 August 1946) was an English writer, prolific in many genres. He wrote more than fifty novels and dozens of short stories. His non-fiction output included works of social commentary, politics, hist ...

(died

1946 1946 (Roman numerals, MCMXLVI) was a common year starting on Tuesday of the Gregorian calendar, the 1946th year of the Common Era (CE) and ''Anno Domini'' (AD) designations, the 946th year of the 2nd millennium, the 46th year of the 20th centur ...

), English scientific populariser * September 25 –

Thomas Hunt Morgan Thomas Hunt Morgan (September 25, 1866 – December 4, 1945) was an Americans, American evolutionary biologist, geneticist, Embryology, embryologist, and science author who won the Nobel Prize in Physiology or Medicine in 1933 for discoveries e ...

(died

1945 1945 marked the end of World War II, the fall of Nazi Germany, and the Empire of Japan. It is also the year concentration camps were liberated and the only year in which atomic weapons have been used in combat. Events World War II will be ...

), American

biologist A biologist is a scientist who conducts research in biology. Biologists are interested in studying life on Earth, whether it is an individual Cell (biology), cell, a multicellular organism, or a Community (ecology), community of Biological inter ...

, Nobel laureate in Physiology * October 8 –

Reginald Fessenden Reginald Aubrey Fessenden (October 6, 1866 – July 22, 1932) was a Canadian-American electrical engineer and inventor who received hundreds of List of Reginald Fessenden patents, patents in fields related to radio and sonar between 1891 and 1936 ...

(died

1932 Events January * January 4 – The British authorities in India arrest and intern Mahatma Gandhi and Vallabhbhai Patel. * January 9 – Sakuradamon Incident (1932), Sakuradamon Incident: Korean nationalist Lee Bong-chang fails in his effort ...

), Canadian pioneer of

radio broadcasting Radio broadcasting is the broadcasting of audio signal, audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a lan ...

* November 11 –

Martha Annie Whiteley Martha Annie Whiteley, (11 November 1866 – 24 May 1956) was an English chemist and mathematician. She was instrumental in advocating for women's entry into the Chemical Society, and was best known for her dedication to advancing women's ...

(died

1956 Events January * January 1 – The Anglo-Egyptian Sudan, Anglo-Egyptian Condominium ends in Sudan after 57 years. * January 8 – Operation Auca: Five U.S. evangelical Christian Missionary, missionaries, Nate Saint, Roger Youderian, E ...

), English chemist and mathematician * November 30 –

Robert Broom Robert Broom Fellow of the Royal Society, FRS FRSE (30 November 1866 6 April 1951) was a British- South African medical doctor and palaeontologist. He qualified as a medical practitioner in 1895 and received his DSc in 1905 from the University ...

(died

1951 Events January * January 4 – Korean War: Third Battle of Seoul – Chinese and North Korean forces capture Seoul for the second time (having lost the Second Battle of Seoul in September 1950). * January 9 – The Government of the Uni ...

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 ...

-born

paleontologist Paleontology, also spelled as palaeontology or palæontology, is the scientific study of the life of the past, mainly but not exclusively through the study of fossils. Paleontologists use fossils as a means to classify organisms, measure geolo ...

* December 7 –

Maude Delap Maude Jane Delap (7 December 1866 – 23 July 1953) was a self-taught marine biologist, known for being the first person to breed jellyfish in captivity, and thus observed their full life cycle for the first time. She was also involved in exte ...

(died

1953 Events January * January 6 – The Asian Socialist Conference opens in Rangoon, Burma. * January 12 – Estonian émigrés found a Estonian government-in-exile, government-in-exile in Oslo. * January 14 ** Marshal Josip Broz Tito ...

), Irish marine biologist

Deaths

* March 6 –

William Whewell William Whewell ( ; 24 May 17946 March 1866) was an English polymath. He was Master of Trinity College, Cambridge. In his time as a student there, he achieved distinction in both poetry and mathematics. The breadth of Whewell's endeavours is ...

(born

1794 Events January–March * January 1 – The Stibo Group is founded by Niels Lund as a printing company in Aarhus (Denmark). * January 13 – The U.S. Congress enacts a law providing for, effective May 1, 1795, a United St ...

), English scientist, philosopher and historian of science * March 14 –

Alexander Morison Sir Alexander Morison M.D. (1 May 1779 – 14 March 1866) was a Scottish physician and Psychiatry, alienist (psychiatrist). Life Morison was born at Anchorfield, near Edinburgh, and was educated at Edinburgh High School and the University o ...

(born

1779 Events January–March * January 11 ** British troops surrender to the Marathas in Wadgaon, India, and are forced to return all territories acquired since 1773. * January 22 – American Revolutionary War – Claudius Smi ...

), Scottish physician and

psychiatrist A psychiatrist is a physician who specializes in psychiatry. Psychiatrists are physicians who evaluate patients to determine whether their symptoms are the result of a physical illness, a combination of physical and mental ailments or strictly ...

* April 4 – William Dick (born

1793 The French Republic introduced the French Revolutionary Calendar starting with the year I. Events January–June * January 7 – The Ebel riot occurs in Sweden. * January 9 – Jean-Pierre Blanchard becomes the first to ...

), Scottish

veterinarian A veterinarian (vet) or veterinary surgeon is a medical professional who practices veterinary medicine. They manage a wide range of health conditions and injuries in non-human animals. Along with this, veterinarians also play a role in animal r ...

* April 5 –

Thomas Hodgkin Thomas Hodgkin Royal Medical Society, RMS (17 August 1798 – 5 April 1866) was a British physician, considered one of the most prominent pathology, pathologists of his time and a pioneer in preventive medicine. He is now best known for the firs ...

(born

1798 Events January–June * January – Eli Whitney contracts with the U.S. federal government for 10,000 muskets, which he produces with interchangeable parts. * January 4 – Constantine Hangerli enters Bucharest, as Prince of ...

), English

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 ...

* July 20 –

Bernhard Riemann Georg Friedrich Bernhard Riemann (; ; 17September 182620July 1866) was a German mathematician who made profound contributions to analysis, number theory, and differential geometry. In the field of real analysis, he is mostly known for the f ...

(born

1826 Events January–March * January 15 – The French newspaper ''Le Figaro'' begins publication in Paris, initially as a satirical weekly. * January 17 – The Ballantyne printing business in Edinburgh (Scotland) crashes, ruining noveli ...

), German-born

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 ...

* September 16 – François Mêlier (born

), French physician * October 18 –

Philipp Franz von Siebold Philipp Franz Balthasar von Siebold (17 February 1796 – 18 October 1866) was a German physician, botanist and traveller. He achieved prominence by his studies of Japanese flora (plants), flora and fauna (animals), fauna and the introduction of ...

(born

1796 Events January–March * January 16 – The first Dutch (and general) elections are held for the National Assembly of the Batavian Republic. (The next Dutch general elections are held in 1888.) * February 1 – The capital of Upper Can ...

), German physician, botanist and traveler in Japan * December 1 –

George Everest Sir George Everest, (, ; 4 July 1790 – 1 December 1866) was a British surveyor and geographer who served as Surveyor General of India from 1830 to 1843. After a military education, Everest joined the East India Company and arrived in I ...

(born

1790 Events January–March * January 8 – United States President George Washington gives the first State of the Union address, in New York City. * January 11 – The 11 minor states of the Austrian Netherlands, which took pa ...

), British

surveyor Surveying or land surveying is the technique, profession, art, and science of determining the terrestrial two-dimensional or three-dimensional positions of points and the distances and angles between them. These points are usually on the ...

and

geographer A geographer is a physical scientist, social scientist or humanist whose area of study is geography, the study of Earth's natural environment and human society, including how society and nature interacts. The Greek prefix "geo" means "earth" a ...

References

{{DEFAULTSORT:1866 In Science 1860s in science 19th century in science