The year 1643 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.

Exploration

* January 21 –

Abel Tasman Abel Janszoon Tasman (; 160310 October 1659) was a Dutch seafarer, explorer, and merchant, best known for his voyages of 1642 and 1644 in the service of the Dutch East India Company (VOC). He was the first known European explorer to reach New ...

discovers the

Tonga Tonga (, ; ), officially the Kingdom of Tonga ( to, Puleʻanga Fakatuʻi ʻo Tonga), is a Polynesian country and archipelago. The country has 171 islands – of which 45 are inhabited. Its total surface area is about , scattered over in ...

archipelago An archipelago ( ), sometimes called an island group or island chain, is a chain, cluster, or collection of islands, or sometimes a sea containing a small number of scattered islands. Examples of archipelagos include: the Indonesian Arc ...

. * December 25 – Captain William Mynors of the

British East India Company The East India Company (EIC) was an English, and later British, joint-stock company founded in 1600 and dissolved in 1874. It was formed to trade in the Indian Ocean region, initially with the East Indies (the Indian subcontinent and South ...

discovers

Christmas Island Christmas Island, officially the Territory of Christmas Island, is an Australian external territory comprising the island of the same name. It is located in the Indian Ocean, around south of Java and Sumatra and around north-west of the ...

Meteorology

Evangelista Torricelli Evangelista Torricelli ( , also , ; 15 October 160825 October 1647) was an Italian physicist and mathematician, and a student of Galileo. He is best known for his invention of the barometer, but is also known for his advances in optics and work ...

invents the mercury

barometer A barometer is a scientific instrument that is used to measure air pressure in a certain environment. Pressure tendency can forecast short term changes in the weather. Many measurements of air pressure are used within surface weather analysis ...

Births

* January 4 ( NS) –

Isaac Newton Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, physicist, astronomer, alchemist, theologian, and author (described in his time as a " natural philosopher"), widely recognised as one of the grea ...

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 ...

physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...

(died

1727 Events January–March * January 1 – (December 21, 1726 O.S.) Spain's ambassador to Great Britain demands that the British return Gibraltar after accusing Britain of violating the terms of the 1713 Treaty of Utrecht. Britain ...

) *

Jean de Fontaney Jean de Fontaney (1643–1710) was a French Jesuit who led a mission to China in 1687.Mungello, p. 329 Jean de Fontaney had been a teacher of mathematics and astronomy at the College Louis le Grand. He was asked by king Louis XIV to set up a m ...

, French Jesuit

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 ...

and

astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either ...

(died

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

) *

Pierre Dionis Pierre Dionis (1643 in Paris – 11 December 1718 in Paris) was a French surgeon and anatomist, First surgeon of the '' Enfants de France''. Biography Pierre Dionis was trained at the in Paris where he obtained the rank of master surgeon. He was ...

, French surgeon and

anatomist Anatomy () is the branch of biology concerned with the study of the structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old science, having it ...

(died

1718 Events January – March * January 7 – In India, Sufi rebel leader Shah Inayat Shaheed from Sindh who had led attacks against the Mughal Empire, is beheaded days after being tricked into meeting with the Mughals to discu ...

)

Deaths

* April 9 –

Benedetto Castelli Benedetto Castelli (1578 – 9 April 1643), born Antonio Castelli, was an Italian mathematician. Benedetto was his name in religion on entering the Benedictine Order in 1595. Life Born in Brescia, Castelli studied at the University of Padua and ...

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

mathematician (born

1578 __NOTOC__ Year 1578 ( MDLXXVIII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events January–June * January 31 – Battle of Gembloux: Spanish forces under Don John of ...

) * November 3 ** John Bainbridge, English astronomer (born

1582 1582 ( MDLXXXII) was a common year starting on Monday (link will display the full calendar) in the Julian calendar, and a common year starting on Friday (link will display full calendar) of the Proleptic Gregorian calendar. This year saw the be ...

) **

Paul Guldin Paul Guldin (born Habakkuk Guldin; 12 June 1577 ( Mels) – 3 November 1643 (Graz)) was a Swiss Jesuit mathematician and astronomer. He discovered the Guldinus theorem to determine the surface and the volume of a solid of revolution. (This theor ...

, Swiss mathematician and astronomer (born

1577 __NOTOC__ Year 1577 ( MDLXXVII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. Events January–June * January 9 – The second Union of Brussels is formed, first without the ...

) * Sophia Brahe,

Danish Danish may refer to: * Something of, from, or related to the country of Denmark People * A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark * Culture of Denmark * Danish people or Danes, people with a Danish a ...

astronomer (born

1556 __NOTOC__ Year 1556 ( MDLVI) was a leap year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events January–June * January 16 – Charles V, having already abdicated as Holy Roman Emperor, ...

) *

Gasparo Berti Gasparo Berti ( 1600–1643) was an Italian mathematician, astronomer and physicist. He was probably born in Mantua and spent most of his life in Rome. He is most famous today for his experiment in which he unknowingly created the first working b ...

, Italian mathematician, astronomer and physicist (born c. 1600) *

Walter Warner Walter Warner (1563–1643) was an English mathematician and scientist. Life He was born in Leicestershire and educated at Merton College, Oxford, graduating B.A. in 1578. Andrew Pyle (editor), ''Dictionary of Seventeenth Century British Phi ...

, English scientist (born

1563 Year 1563 ( MDLXIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events January–June * February 1 – Sarsa Dengel succeeds his father Menas as Emperor of Ethiopia. * Jan ...

)

References

{{reflist 17th century in science 1640s in science