1795 in science
Encyclopedia
The year 1795 in science
Science
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe...

and technology
Technology
Technology is the making, usage, and knowledge of tools, machines, techniques, crafts, systems or methods of organization in order to solve a problem or perform a specific function. It can also refer to the collection of such tools, machinery, and procedures. The word technology comes ;...

 involved some significant events.

Astronomy

  • December 13 - A meteorite
    Meteorite
    A meteorite is a natural object originating in outer space that survives impact with the Earth's surface. Meteorites can be big or small. Most meteorites derive from small astronomical objects called meteoroids, but they are also sometimes produced by impacts of asteroids...

     falls to earth at Wold Newton, East Riding of Yorkshire
    Wold Newton, East Riding of Yorkshire
    Wold Newton is a small Yorkshire Wolds village and civil parish in the East Riding of Yorkshire, England. It is situated approximately south of Scarborough and north west of Bridlington. The hamlet of Fordon is also part of the civil parish of Wold Newton...

    , England
    England
    England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

    , the first to be recognised in modern times.

Metrology

  • April 7 - The gram
    Gram
    The gram is a metric system unit of mass....

     is decreed in France to be equal to “the absolute weight of a volume of water equal to the cube of the hundredth part of the metre, at the temperature of melting ice.”

Paleontology

  • Georges Cuvier
    Georges Cuvier
    Georges Chrétien Léopold Dagobert Cuvier or Jean Léopold Nicolas Frédéric Cuvier , known as Georges Cuvier, was a French naturalist and zoologist...

     identifies the fossil
    Fossil
    Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...

    ised bones of a huge animal found in the Netherlands
    Netherlands
    The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

     in 1770
    1770 in science
    The year 1770 in science and technology involved some significant events.-Biology:* Arthur Young publishes A Course of Experimental Agriculture in England.-Chemistry:...

     as belonging to an extinct reptile

Technology

  • November 30 - Joseph Bramah
    Joseph Bramah
    Joseph Bramah , born Stainborough Lane Farm, Wentworth, Yorkshire, England, was an inventor and locksmith. He is best known for having invented the hydraulic press...

     is granted a British patent for hydraulic machinery
    Hydraulic machinery
    Hydraulic machines are machinery and tools that use liquid fluid power to do simple work. Heavy equipment is a common example.In this type of machine, hydraulic fluid is transmitted throughout the machine to various hydraulic motors and hydraulic cylinders and which becomes pressurised according to...

    , notably the hydraulic press
    Hydraulic press
    A hydraulic is a machine using a hydraulic cylinder to generate a compressive force. It uses the hydraulic equivalenta mechanical lever, and was also known as a Bramah press after the inventor, Joseph Bramah, of England. He invented and was issued a patent on this press in 1795...

    .

Zoology

  • Étienne Geoffroy Saint-Hilaire
    Étienne Geoffroy Saint-Hilaire
    Étienne Geoffroy Saint-Hilaire was a French naturalist who established the principle of "unity of composition". He was a colleague of Jean-Baptiste Lamarck and expanded and defended Lamarck's evolutionary theories...

     publishes "Histoire des Makis, ou singes de Madagascar", introducing his theory of the unity of organic composition.

Births

  • December 8 - Peter Andreas Hansen
    Peter Andreas Hansen
    Peter Andreas Hansen was a Danish astronomer, was born at Tønder, Schleswig.-Biography:The son of a goldsmith, Hansen learned the trade of a watchmaker at Flensburg, and exercised it at Berlin and Tønder, 1818–1820...

    , Danish
    Danes
    Danish people or Danes are the nation and ethnic group that is native to Denmark, and who speak Danish.The first mention of Danes within the Danish territory is on the Jelling Rune Stone which mentions how Harald Bluetooth converted the Danes to Christianity in the 10th century...

     astronomer
    Astronomer
    An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

     (d. 1874
    1874 in science
    The year 1874 in science and technology involved some significant events, listed below.-Astronomy:* December 9 - A transit of Venus across the Sun is observed in Muddapur, India, by an astronomical expedition led by Pietro Tacchini.-Chemistry:...

    )

Deaths

  • March 21 - Giovanni Arduino
    Giovanni Arduino (geologist)
    Giovanni Arduino was an Italian geologist who is known as the "Father of Italian Geology".Arduino was born at Caprino Veronese, Veneto. He was a mining specialist who developed possibly the first classification of geological time, based on study of the geology of northern Italy...

    , Italian
    Italian people
    The Italian people are an ethnic group that share a common Italian culture, ancestry and speak the Italian language as a mother tongue. Within Italy, Italians are defined by citizenship, regardless of ancestry or country of residence , and are distinguished from people...

     geologist
    Geologist
    A geologist is a scientist who studies the solid and liquid matter that constitutes the Earth as well as the processes and history that has shaped it. Geologists usually engage in studying geology. Geologists, studying more of an applied science than a theoretical one, must approach Geology using...

     (b. 1714
    1714 in science
    The year 1714 in science and technology involved some significant events.-Mathematics:* March - Roger Cotes publishes Logometrica in the Philosophical Transactions of the Royal Society...

    )
  • July 3 - Antonio de Ulloa
    Antonio de Ulloa
    Antonio de Ulloa y de la Torre-Girault was a Spanish general, explorer, author, astronomer, colonial administrator and the first Spanish governor of Louisiana.Rebellion of 1768]]....

    , Spanish
    Spanish people
    The Spanish are citizens of the Kingdom of Spain. Within Spain, there are also a number of vigorous nationalisms and regionalisms, reflecting the country's complex history....

     explorer (b. 1716
    1716 in science
    The year 1716 in science and technology involved some significant events.-Births:* January 12 - Antonio de Ulloa, Spanish explorer * March 6 - Pehr Kalm, Swedish botanist and explorer...

    )
  • June 9 - François Chopart
    François Chopart
    François Chopart was a French surgeon born in Paris.He was trained in medicine at the Hôtel-Dieu, Pitié and the Bicêtre hospitals...

    , French
    French people
    The French are a nation that share a common French culture and speak the French language as a mother tongue. Historically, the French population are descended from peoples of Celtic, Latin and Germanic origin, and are today a mixture of several ethnic groups...

     surgeon
    Surgeon
    In medicine, a surgeon is a specialist in surgery. Surgery is a broad category of invasive medical treatment that involves the cutting of a body, whether human or animal, for a specific reason such as the removal of diseased tissue or to repair a tear or breakage...

     (b. 1743
    1743 in science
    The year 1743 in science and technology involved some significant events.-Astronomy:* November 29 - Discovery of C/1743 X1, the 'Great Comet of 1744' , by Jan de Munck at Middelburg and subsequently by de Chéseaux and Klinkenberg.-Geology:...

    )
  • June 24 - William Smellie
    William Smellie (encyclopedist)
    William Smellie was a Scottish master printer, naturalist, antiquary, editor and encyclopedist. He was friends with Robert Burns, whose assessment is engraved on Smellie's tombstone: "Here lies a man who did honour to human nature"...

    , Scottish
    Scottish people
    The Scottish people , or Scots, are a nation and ethnic group native to Scotland. Historically they emerged from an amalgamation of the Picts and Gaels, incorporating neighbouring Britons to the south as well as invading Germanic peoples such as the Anglo-Saxons and the Norse.In modern use,...

     naturalist
    Naturalist
    Naturalist may refer to:* Practitioner of natural history* Conservationist* Advocate of naturalism * Naturalist , autobiography-See also:* The American Naturalist, periodical* Naturalism...

     (b. 1740
    1740 in science
    The year 1740 in science and technology involved some significant events.-Physics:* Jacques-Barthélemy Micheli du Crest created a spirit thermometer, making use of two fixed points, 0 for "Temperature of earth" based on a cave at Paris Observatory and 100 for the heat of boiling water.* Émilie du...

    )
  • October 1 - Robert Bakewell, English
    English people
    The English are a nation and ethnic group native to England, who speak English. The English identity is of early mediaeval origin, when they were known in Old English as the Anglecynn. England is now a country of the United Kingdom, and the majority of English people in England are British Citizens...

     agriculturalist and geneticist
    Geneticist
    A geneticist is a biologist who studies genetics, the science of genes, heredity, and variation of organisms. A geneticist can be employed as a researcher or lecturer. Some geneticists perform experiments and analyze data to interpret the inheritance of skills. A geneticist is also a Consultant or...

     (b. 1725
    1725 in science
    The year 1725 in science and technology involved some significant events.-History of science:* John Freind begins publication of The History of Physick, from the time of Galen to the beginning of the sixteenth century, chiefly with regard to practice, the first comprehensive history of medicine in...

    )
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