The year 1509 in

science Science is a systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earliest archeological evidence for ...

and

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

included many events, some of which are listed here.

Exploration

* September 11 –

Diogo Lopes de Sequeira D.Diogo Lopes de Sequeira (1465–1530) was a Portuguese fidalgo, sent to analyze the trade potential in Madagascar and Malacca. He arrived at Malacca on 11 September 1509 and left the next year when he discovered that Sultan Mahmud Shah was pla ...

reaches

Malacca Malacca ( ms, Melaka) is a state in Malaysia located in the southern region of the Malay Peninsula, next to the Strait of Malacca. Its capital is Malacca City, dubbed the Historic City, which has been listed as a UNESCO World Heritage Site si ...

, having crossed the

Gulf of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean, bounded on the west and northwest by India, on the north by Bangladesh, and on the east by Myanmar and the Andaman and Nicobar Islands of India. Its southern limit is a line between ...

Geology

* September 10 – Constantinople earthquake.

Mathematics

* June 11 –

Luca Pacioli Fra Luca Bartolomeo de Pacioli (sometimes ''Paccioli'' or ''Paciolo''; 1447 – 19 June 1517) was an Italian mathematician, Franciscan friar, collaborator with Leonardo da Vinci, and an early contributor to the field now known as accounting ...

's ''

De divina proportione ''Divina proportione'' (15th century Italian for ''Divine proportion''), later also called ''De divina proportione'' (converting the Italian title into a Latin one) is a book on mathematics written by Luca Pacioli and illustrated by Leonardo da V ...

'', concerning the golden ratio, is published in

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

, with illustrations by

Leonardo da Vinci Leonardo di ser Piero da Vinci (15 April 14522 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, Drawing, draughtsman, engineer, scientist, theorist, sculptor, and architect. While his fame initially res ...

Births

Bernardino Telesio Bernardino Telesio (; 7 November 1509 – 2 October 1588) was an Italian philosopher and natural scientist. While his natural theories were later disproven, his emphasis on observation made him the "first of the moderns" who eventually devel ...

, Italian philosopher and natural scientist (died

1588 __NOTOC__ Events January–June * February – The Sinhalese abandon the siege of Colombo, capital of Portuguese Ceylon. * February 9 – The sudden death of Álvaro de Bazán, 1st Marquis of Santa Cruz, in the midst of pr ...

) * ''possible date'' – Guillaume Le Testu,

French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...

privateer A privateer is a private person or ship that engages in maritime warfare under a commission of war. Since robbery under arms was a common aspect of seaborne trade, until the early 19th century all merchant ships carried arms. A sovereign or deleg ...

, explorer and

cartographer Cartography (; from grc, χάρτης , "papyrus, sheet of paper, map"; and , "write") is the study and practice of making and using maps. Combining science, aesthetics and technique, cartography builds on the premise that reality (or an im ...

(k.

1573 Year 1573 ( MDLXXIII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. Events January–June * January 25 – Battle of Mikatagahara in Japan: Takeda Shingen defeats Tokugaw ...

)

Deaths

* Juan de la Cosa, Spanish explorer and cartographer (b. c. 1460)

References

{{DEFAULTSORT:1509 In Science 16th century in science 1500s in science