The year 1877 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.

Events

* June 19 –

Eadweard Muybridge Eadweard Muybridge ( ; 9 April 1830 – 8 May 1904, born Edward James Muggeridge) was an English photographer known for his pioneering work in photographic studies of motion, and early work in motion-picture Movie projector, projection. He ...

successfully produces a fast-motion sequence of photographs showing a horse in movement, ''

Sallie Gardner at a Gallop Sallie may refer to: People * Sallie Baliunas (born 1953), astrophysicist * Sallie W. Chisholm (born 1947), American biological oceanographer * Sallie Fellows, American politician * Sallie Fox * Sallie Ann Glassman (born 1954), American practi ...

'', using multiple cameras at

Palo Alto, California Palo Alto ( ; Spanish language, Spanish for ) is a charter city in northwestern Santa Clara County, California, United States, in the San Francisco Bay Area, named after a Sequoia sempervirens, coastal redwood tree known as El Palo Alto. Th ...

, demonstrating that a running horse has all four legs lifted off the ground at once. The sequence could be run on a

Zoopraxiscope The zoopraxiscope (initially named ''zoographiscope'' and ''zoogyroscope'') is an early device for displaying moving images and is considered an important predecessor of the movie projector. It was conceived by photographic pioneer Eadweard ...

Astronomy

* August 12 – American astronomer

Asaph Hall Asaph Hall III (October 15, 1829 – November 22, 1907) was an American astronomer who is best known for having discovered the two moons of Mars, Deimos and Phobos, in 1877. He determined the orbits of satellites of other planets and of doubl ...

discovers

Deimos Deimos, a Greek word for ''dread'', may refer to: In general * Deimos (deity), one of the sons of Ares and Aphrodite in Greek mythology * Deimos (moon), the smaller and outermost of Mars' two natural satellites Fictional characters * Deimos (comi ...

, the smaller of the two

moons of Mars The two natural satellite, moons of Mars (planet), Mars are Phobos (moon), Phobos and Deimos (moon), Deimos. They are irregular in shape. Both were discovered by American astronomer Asaph Hall in August 1877 and are named after the Greek mytholo ...

. On August 18, he discovers the larger, Phobos.

Cartography

Peirce quincuncial projection The Peirce quincuncial projection is the conformal map projection from the sphere to an unfolded square dihedron, developed by Charles Sanders Peirce in 1879. Each octant (solid geometry), octant projects onto an Special right triangle#45-45-90 ...

devised by

Charles Sanders Peirce Charles Sanders Peirce ( ; September 10, 1839 – April 19, 1914) was an American scientist, mathematician, logician, and philosopher who is sometimes known as "the father of pragmatism". According to philosopher Paul Weiss (philosopher), Paul ...

Chemistry

Ludwig Boltzmann Ludwig Eduard Boltzmann ( ; ; 20 February 1844 – 5 September 1906) was an Austrian mathematician and Theoretical physics, theoretical physicist. His greatest achievements were the development of statistical mechanics and the statistical ex ...

establishes statistical derivations of many important physical and chemical concepts, including

entropy Entropy is a scientific concept, most commonly associated with states of disorder, randomness, or uncertainty. The term and the concept are used in diverse fields, from classical thermodynamics, where it was first recognized, to the micros ...

, and distributions of molecular velocities in the gas phase.

Earth sciences

* June 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 ...

Cotopaxi Cotopaxi () is an active stratovolcano in the Andes Mountains, located near Latacunga city of Cotopaxi Province, about south of Quito, and northeast of the city of Latacunga, Ecuador. It is the second highest summit in Ecuador (after Chim ...

Ecuador Ecuador, officially the Republic of Ecuador, is a country in northwestern South America, bordered by Colombia on the north, Peru on the east and south, and the Pacific Ocean on the west. It also includes the Galápagos Province which contain ...

History of science

* Dr. August Eisenlohr publishes the first translation and study of the

Rhind Mathematical Papyrus The Rhind Mathematical Papyrus (RMP; also designated as papyrus British Museum 10057, pBM 10058, and Brooklyn Museum 37.1784Ea-b) is one of the best known examples of ancient Egyptian mathematics. It is one of two well-known mathematical papyri ...

. * American

railroad Rail transport (also known as train transport) is a means of transport using wheeled vehicles running in railway track, tracks, which usually consist of two parallel steel railway track, rails. Rail transport is one of the two primary means of ...

lawyer A lawyer is a person who is qualified to offer advice about the law, draft legal documents, or represent individuals in legal matters. The exact nature of a lawyer's work varies depending on the legal jurisdiction and the legal system, as w ...

and

ethnologist Ethnology (from the , meaning 'nation') is an academic field and discipline that compares and analyzes the characteristics of different peoples and the relationships between them (compare cultural, social, or sociocultural anthropology). Scien ...

Lewis H. Morgan Lewis Henry Morgan (November 21, 1818 – December 17, 1881) was a pioneering American anthropologist and social theorist who worked as a railroad lawyer. He is best known for his work on kinship and social structure, his theories of social e ...

publishes ''

Ancient Society ''Ancient Society'' is an 1877 book by the American anthropologist Lewis H. Morgan. Building on the data about kinship and social organization presented in his 1871 '' Systems of Consanguinity and Affinity of the Human Family'', Morgan develops ...

'', linking

social progress Progress is movement towards a perceived refined, improved, or otherwise desired state. It is central to the philosophy of progressivism, which interprets progress as the set of advancements in technology, science, and social organization effic ...

with

technological change Technological change (TC) or technological development is the overall process of invention, innovation and diffusion of innovations, diffusion of technology or business process, processes.From ''The New Palgrave Dictionary otechnical change by S. ...

Mathematics

Georg Cantor Georg Ferdinand Ludwig Philipp Cantor ( ; ; – 6 January 1918) was a mathematician who played a pivotal role in the creation of set theory, which has become a foundations of mathematics, fundamental theory in mathematics. Cantor establi ...

advances the

continuum hypothesis In mathematics, specifically set theory, the continuum hypothesis (abbreviated CH) is a hypothesis about the possible sizes of infinite sets. It states: Or equivalently: In Zermelo–Fraenkel set theory with the axiom of choice (ZFC), this ...

Medicine

* October 2 –

Berlin 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 ...

urologist Urology (from Greek οὖρον ''ouron'' "urine" and ''-logia'' "study of"), also known as genitourinary surgery, is the branch of medicine that focuses on surgical and medical diseases of the urinary system and the reproductive organs. Org ...

Maximilian Nitze and

Viennese Viennese may refer to: * Vienna, the capital of Austria * Viennese people, List of people from Vienna * Viennese German, the German dialect spoken in Vienna * Viennese classicism * Viennese coffee house, an eating establishment and part of Viennese ...

instrument-maker Josef Leiter introduce the first practical cystourethroscope with an electric light source. * Adolph Kussmaul first describes

dyslexia Dyslexia (), previously known as word blindness, is a learning disability that affects either reading or writing. Different people are affected to different degrees. Problems may include difficulties in spelling words, reading quickly, wri ...

as "word-blindness". *

William Macewen Sir William Macewen ( ; 22 June 1848 – 22 March 1924) was a Scottish surgeon. He was a pioneer in modern brain surgery, considered the ''father of neurosurgery'' and contributed to the development of bone graft surgery, the surgical treat ...

at the Glasgow Royal Infirmary develops the first

bone grafts Bone grafting is a type of transplantation used to replace missing bone tissue or stimulate the healing of fractures. This surgical procedure is useful for repairing bone fractures that are extremely complex, pose a significant health risk to the ...

, and also performs

knee In humans and other primates, the knee joins the thigh with the leg and consists of two joints: one between the femur and tibia (tibiofemoral joint), and one between the femur and patella (patellofemoral joint). It is the largest joint in the hu ...

surgery using a special instrument (Macewen's

osteotome An osteotome is an instrument used for cutting or preparing bone. Osteotomes are similar to a chisel but bevelled on both sides. They are used today in plastic surgery, orthopedic surgery and dental implantation. The chain osteotome, origina ...

), for the treatment of

rickets Rickets, scientific nomenclature: rachitis (from Greek , meaning 'in or of the spine'), is a condition that results in weak or soft bones in children and may have either dietary deficiency or genetic causes. Symptoms include bowed legs, stun ...

. *

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 ...

studies animal carriers of infectious diseases.

Physics

states the relationship between

and

probability Probability is a branch of mathematics and statistics concerning events and numerical descriptions of how likely they are to occur. The probability of an event is a number between 0 and 1; the larger the probability, the more likely an e ...

Technology

* March 28 – Frederick Wolseley is granted his first

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 sufficiency of disclosure, enabling discl ...

for a sheep shearing machine. * April 30 – French poet Charles Cros describes a method of recording sound, the Paleophone. * June – Emile Berliner files a patent for a "combined telegraph and telephone" incorporating a

microphone A microphone, colloquially called a mic (), or mike, is a transducer that converts sound into an electrical signal. Microphones are used in many applications such as telephones, hearing aids, public address systems for concert halls and publi ...

. * June 20 –

Alexander Graham Bell Alexander Graham Bell (; born Alexander Bell; March 3, 1847 – August 2, 1922) was a Scottish-born Canadian Americans, Canadian-American inventor, scientist, and engineer who is credited with patenting the first practical telephone. He als ...

installs the world's first commercial telephone service in

Hamilton, Ontario Hamilton is a port city in the Canadian Provinces and territories of Canada, province of Ontario. Hamilton has a 2021 Canadian census, population of 569,353 (2021), and its Census Metropolitan Area, census metropolitan area, which encompasses ...

. * September 4 –

Louis Brennan Louis Brennan (28 January 1852 – 17 January 1932) was an Irish-Australian mechanical engineer and inventor. He is best known for inventing the Brennan Torpedo, one of the earliest wire-guided torpedoes, which was adopted by the British Army i ...

patents the

Brennan torpedo The Brennan torpedo was a torpedo patented by Irish Australian, Irish-born Australian inventor Louis Brennan in 1877. It was propelled by two contra-rotating propellers that were spun by rapidly pulling out wires from drums wound inside the torpe ...

. * October – Emile Berliner files a patent for a telephone with

induction coil An induction coil or "spark coil" ( archaically known as an inductorium or Ruhmkorff coil after Heinrich Rühmkorff) is a type of transformer used to produce high-voltage pulses from a low-voltage direct current (DC) supply. p.98 To create the ...

s. * November 4 – Opening of

Gustave Eiffel Alexandre Gustave Eiffel ( , ; Bonickhausen dit Eiffel; 15 December 1832 – 27 December 1923) was a French civil engineer. A graduate of École Centrale des Arts et Manufactures, he made his name with various bridges for the French railway net ...

Maria Pia Bridge Maria Pia Bridge (in Portuguese ''Ponte de D. Maria Pia'', commonly known as ''Ponte de Dona Maria Pia'') is a railway bridge built in 1877 and attributed to Gustave Eiffel. It is situated between the Portuguese Northern municipalities of Porto ...

carrying the railway across the

Douro The Douro (, , , ; ; ) is the largest river of the Iberian Peninsula by discharge. It rises near Duruelo de la Sierra in the Spanish Soria Province, province of Soria, meanders briefly south, then flows generally west through the northern par ...

into

Porto Porto (), also known in English language, English as Oporto, is the List of cities in Portugal, second largest city in Portugal, after Lisbon. It is the capital of the Porto District and one of the Iberian Peninsula's major urban areas. Porto c ...

Portugal Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...

. * November 29 –

Thomas Edison Thomas Alva Edison (February11, 1847October18, 1931) was an American inventor and businessman. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. These inventions, ...

first demonstrates his

phonograph A phonograph, later called a gramophone, and since the 1940s a record player, or more recently a turntable, is a device for the mechanical and analogue reproduction of sound. The sound vibration Waveform, waveforms are recorded as correspond ...

sound recording machine. * December 13 – Thomas Edison files a patent for "telephones or speaking-telegraphs" incorporating a microphone. * Surveyor and inventor George R. Carey of

Boston Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...

, Massachusetts, creates a

selenium Selenium is a chemical element; it has symbol (chemistry), symbol Se and atomic number 34. It has various physical appearances, including a brick-red powder, a vitreous black solid, and a grey metallic-looking form. It seldom occurs in this elem ...

telectroscope — a camera that can project a moving image to a distant point, an ancestor of

television Television (TV) is a telecommunication medium for transmitting moving images and sound. Additionally, the term can refer to a physical television set rather than the medium of transmission. Television is a mass medium for advertising, ...

. Constantin Senlecq of

Ardres Ardres (; ; ) is a commune in the Pas-de-Calais department in northern France. Geography Ardres is located 10.1 mi by rail (station is at Pont-d'Ardres, a few kilometers from Ardres) S.S.E. of Calais, with which it is also connected by a ...

, France, develops the same idea independently at about the same time.

Publications

* '' Zeitschrift für Physiologische Chemie'' is founded by

Felix Hoppe-Seyler Ernst Felix Immanuel Hoppe-Seyler (''né'' Felix Hoppe; 26 December 1825 – 10 August 1895) was a German physiologist and chemist, and the principal founder of the disciplines of biochemistry and molecular biology. He had discovered Yeast nuclei ...

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 ...

James Dwight Dana James Dwight Dana Royal Society of London, FRS FRSE (February 12, 1813 – April 14, 1895) was an American geologist, mineralogist, volcanologist, and zoologist. He made pioneering studies of mountain-building, volcano, volcanic activity, and the ...

Wollaston Medal The Wollaston Medal is a scientific award for geology and the highest award granted by the Geological Society of London, the oldest geological society in the world. The medal is named after William Hyde Wollaston, and was first awarded in 1831. I ...

: Robert Mallet

Births

* February 2 – Margarete Zuelzer (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 ...

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

microbiologist A microbiologist (from Greek ) is a scientist who studies microscopic life forms and processes. This includes study of the growth, interactions and characteristics of microscopic organisms such as bacteria, algae, fungi, and some types of par ...

. * February 7 –

G. H. Hardy Godfrey Harold Hardy (7 February 1877 – 1 December 1947) was an English mathematician, known for his achievements in number theory and mathematical analysis. In biology, he is known for the Hardy–Weinberg principle, a basic principle of pop ...

(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 ...

), 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 ...

. * March 16 – Thomas Wyatt Turner (died

1978 Events January * January 1 – Air India Flight 855, a Boeing 747 passenger jet, crashes off the coast of Bombay, killing 213. * January 5 – Bülent Ecevit, of Republican People's Party, CHP, forms the new government of Turkey (42nd ...

), American civil rights activist,

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 ...

and educator; first black person ever to receive a doctorate from

Cornell University Cornell University is a Private university, private Ivy League research university based in Ithaca, New York, United States. The university was co-founded by American philanthropist Ezra Cornell and historian and educator Andrew Dickson W ...

. * April 5 – Walter Sutton (died

1916 Events Below, the events of the First World War have the "WWI" prefix. January * January 1 – The British Empire, British Royal Army Medical Corps carries out the first successful blood transfusion, using blood that has been stored ...

), American

geneticist A geneticist is a biologist or physician who studies genetics, the science of genes, heredity, and variation of organisms. A geneticist can be employed as a scientist or a lecturer. Geneticists may perform general research on genetic process ...

and

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 ...

. * April 24 – José Ingenieros (died

1925 Events January * January 1 – The Syrian Federation is officially dissolved, the State of Aleppo and the State of Damascus having been replaced by the State of Syria (1925–1930), State of Syria. * January 3 – Benito Mussolini m ...

Argentine Argentines, Argentinians or Argentineans are people from Argentina. This connection may be residential, legal, historical, or cultural. For most Argentines, several (or all) of these connections exist and are collectively the source of their ...

polymath A polymath or polyhistor is an individual whose knowledge spans many different subjects, known to draw on complex bodies of knowledge to solve specific problems. Polymaths often prefer a specific context in which to explain their knowledge, ...

. * June 14 –

Ida Maclean Ida Maclean (nee Smedley; 14 June 1877 – 2 March 1944) was an English biochemist and the first woman admitted to the Chemical Society, London Chemical Society. Early life and education Ida was born in Birmingham to William Smedley, a busines ...

, born Ida Smedley (died

), English

biochemist Biochemists are scientists who are trained in biochemistry. They study chemical processes and chemical transformations in living organisms. Biochemists study DNA, proteins and Cell (biology), cell parts. The word "biochemist" is a portmanteau of ...

. * September 1 –

Francis William Aston Francis William Aston FRS (1 September 1877 – 20 November 1945) was a British chemist and physicist who won the 1922 Nobel Prize in Chemistry for his discovery, by means of his mass spectrograph, of isotopes in many non-radioactive elements ...

(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 ...

), English chemist,

Nobel Prize The Nobel Prizes ( ; ; ) are awards administered by the Nobel Foundation and granted in accordance with the principle of "for the greatest benefit to humankind". The prizes were first awarded in 1901, marking the fifth anniversary of Alfred N ...

laureate. * September 2 –

Frederick Soddy Frederick Soddy FRS (2 September 1877 – 22 September 1956) was an English radiochemist who explained, with Ernest Rutherford, that radioactivity is due to the transmutation of elements, now known to involve nuclear reactions. He also pr ...

(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

physical chemist Physical chemistry is the study of macroscopic and microscopic phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mecha ...

. * September 11 – James Hopwood Jeans (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 mathematician. * September 13 –

Wilhelm Filchner Wilhelm Filchner (13 September 1877 – 7 May 1957) was a German army officer, scientist and explorer. He conducted several surveys and scientific investigations in China, Tibet and surrounding regions, and led the Second German Antarctic Expedit ...

(died

1957 Events January * January 1 – The Saarland joins West Germany. * January 3 – Hamilton Watch Company introduces the first electric watch. * January 5 – South African player Russell Endean becomes the first batsman to be Dismissal (cricke ...

), German

explorer Exploration is the process of exploring, an activity which has some Expectation (epistemic), expectation of Discovery (observation), discovery. Organised exploration is largely a human activity, but exploratory activity is common to most organis ...

. * October 21 –

Oswald Avery Oswald Theodore Avery Jr. (October 21, 1877 – February 20, 1955) was a Canadian-American physician and medical researcher. The major part of his career was spent at the Rockefeller Hospital in New York City. Avery was one of the first molecu ...

(died

1955 Events January * January 3 – José Ramón Guizado becomes president of Panama. * January 17 – , the first nuclear-powered submarine, puts to sea for the first time, from Groton, Connecticut. * January 18– 20 – Battle of Yijian ...

), Canadian American

bacteriologist A bacteriologist is a microbiologist, or similarly trained professional, in bacteriology— a subdivision of microbiology that studies bacteria, typically Pathogenic bacteria, pathogenic ones. Bacteriologists are interested in studying and learnin ...

. * October 25 –

Henry Norris Russell Henry Norris Russell ForMemRS HFRSE FRAS (October 25, 1877 – February 18, 1957) was an American astronomer who, along with Ejnar Hertzsprung, developed the Hertzsprung–Russell diagram (1910). In 1923, working with Frederick Saunders, he ...

(died

), American

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 ...

. * November 3 – Rosalie Edge (died

1962 The year saw the Cuban Missile Crisis, which is often considered the closest the world came to a Nuclear warfare, nuclear confrontation during the Cold War. Events January * January 1 – Samoa, Western Samoa becomes independent from Ne ...

), American conservationist.

Deaths

* January 2 – Alexander Bain (born

1810 Events January–March * January 1 – Major-General Lachlan Macquarie officially becomes Governor of New South Wales. * January 4 – Australian seal hunter Frederick Hasselborough discovers Campbell Island, in the Subantarctic. * J ...

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 ...

inventor. * January 12 –

Wilhelm Friedrich Benedikt Hofmeister Wilhelm Friedrich Benedikt Hofmeister (18 May 1824 – 12 January 1877) was a German biologist and botanist. He "stands as one of the true giants in the history of biology and belongs in the same pantheon as Darwin and Mendel." Largely s ...

(born

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 ...

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 ...

. * February 8 –

Charles Wilkes Charles Wilkes (April 3, 1798 – February 8, 1877) was an American naval officer, ship's captain, and List of explorers, explorer. He led the United States Exploring Expedition (1838–1842). During the American Civil War between 1861 and 1865 ...

(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 ...

), American navigator. * April 9 – Pierre Louis Alphée Cazenave (born

1795 Events January–June * January – Central England records its coldest ever month, in the CET records dating back to 1659. * January 14 – The University of North Carolina opens to students at Chapel Hill, becoming the ...

), French

dermatologist Dermatology is the branch of medicine dealing with the skin.''Random House Webster's Unabridged Dictionary.'' Random House, Inc. 2001. Page 537. . It is a speciality with both medical and surgical aspects. A dermatologist is a specialist medi ...

. * May 5 –

Joseph Bienaimé Caventou Joseph Bienaimé Caventou (; 30 June 1795 – 5 May 1877) was a French pharmacist. He was a professor at the École de Pharmacie (School of Pharmacy) in Paris. He collaborated with Pierre-Joseph Pelletier in a Parisian laboratory located behind ...

(born 1795), French

pharmacist A pharmacist, also known as a chemist in English in the Commonwealth of Nations, Commonwealth English, is a healthcare professional who is knowledgeable about preparation, mechanism of action, clinical usage and legislation of medications in ...

. * June 3 – Ludwig von Köchel (born

1800 As of March 1 ( O.S. February 18), when the Julian calendar acknowledged a leap day and the Gregorian calendar did not, the Julian calendar fell one day further behind, bringing the difference to 12 days until February 28 ( O.S. February 16), ...

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

musicologist Musicology is the academic, research-based study of music, as opposed to musical composition or performance. Musicology research combines and intersects with many fields, including psychology, sociology, acoustics, neurology, natural sciences, f ...

and botanist. * September 17 – H. Fox Talbot (born 1800), English pioneer of

photography Photography is the visual arts, art, application, and practice of creating images by recording light, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film. It is empl ...

. * September 23 –

Urbain Le Verrier Urbain Jean Joseph Le Verrier (; 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 using only mathematics. ...

(born

1811 Events January–March * January 8 – An unsuccessful slave revolt is led by Charles Deslondes, in St. Charles and St. James Parishes, Louisiana. * January 17 – Mexican War of Independence – Battle of Calderón ...

), French

. * September 26 – Hermann Günther Grassmann (born

1809 Events January–March * January 5 – The Treaty of the Dardanelles, between the United Kingdom of Great Britain and Ireland and the Ottoman Empire, is concluded. * January 10 – Peninsular War – French Marshal Jean ...

), German mathematician. * Choe Han-gi (born

1803 Events January–March * January 1 – The first edition of Alexandre Balthazar Laurent Grimod de La Reynière's ''Almanach des gourmands'', the first guide to restaurant cooking, is published in Paris. * January 4 – William Symingt ...

), Korean philosopher of science.

References

{{reflist 19th century in science 1870s in science