The year 1545 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, ...

involved some significant events.

Botany

Orto botanico di Padova The Orto Botanico di Padova is a botanical garden in Padua, in the northeastern part of Italy. Founded in 1545 by the Venetian Republic, it is the world's oldest academic botanical garden that is still in its original location. The garden – af ...

and di Firenze

botanical garden A botanical garden or botanic gardenThe terms ''botanic'' and ''botanical'' and ''garden'' or ''gardens'' are used more-or-less interchangeably, although the word ''botanic'' is generally reserved for the earlier, more traditional gardens, an ...

s established.

Mathematics

Gerolamo Cardano Gerolamo Cardano (; also Girolamo or Geronimo; french: link=no, Jérôme Cardan; la, Hieronymus Cardanus; 24 September 1501– 21 September 1576) was an Italian polymath, whose interests and proficiencies ranged through those of mathematician, ...

publishes his

algebra Algebra () is one of the broad areas of mathematics. Roughly speaking, algebra is the study of mathematical symbols and the rules for manipulating these symbols in formulas; it is a unifying thread of almost all of mathematics. Elementary a ...

text '' Ars Magna'', including the first published solutions to

cubic Cubic may refer to: Science and mathematics * Cube (algebra), "cubic" measurement * Cube, a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex ** Cubic crystal system, a crystal system w ...

and quartic equations.

Navigation

* Pedro de Medina's ''Arte de navegar'' is published in

Valladolid Valladolid () is a Municipalities of Spain, municipality in Spain and the primary seat of government and de facto capital of the Autonomous communities of Spain, autonomous community of Castile and León. It is also the capital of the province o ...

, the first treatise on the art of navigation to be published in Europe.

Physiology and medicine

* Charles Estienne publishes ''De dissectione partium corporis humani, libri tres'', including a description of the venous valves of the liver. *

Ambroise Paré Ambroise Paré (c. 1510 – 20 December 1590) was a French barber surgeon who served in that role for kings Henry II, Francis II, Charles IX and Henry III. He is considered one of the fathers of surgery and modern forensic pathology and a p ...

publishes his first book, a treatise on

battlefield medicine Battlefield medicine, also called field surgery and later combat casualty care, is the treatment of wounded combatants and non-combatants in or near an area of combat. Civilian medicine has been greatly advanced by procedures that were first ...

, ', in

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...

. *

Thomas Phaer Thomas Phaer (also spelled Phaire, Fayre, Faer, Phayre, Phayer) (c. 151012 August 1560) was an England, English lawyer, paediatrician, and author. He is best known as the author of ''The Boke of Chyldren'', published in 1545, which was the ...

publishes ''The Boke of Chyldren'', the first book on paediatrics written in

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 ...

Zoology

* The

giant squid The giant squid (''Architeuthis dux'') is a species of deep-ocean dwelling squid in the family Architeuthidae. It can grow to a tremendous size, offering an example of abyssal gigantism: recent estimates put the maximum size at around Trace ...

(''Architeuthis'') is first seen.

Births

* January 11 – Guidobaldo del Monte, Italian

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 ...

(died

1607 Events January–June * January 13 – The Bank of Genoa fails, after the announcement of national bankruptcy in Spain. * January 19 – San Agustin Church, Manila, is officially completed; by the 21st century it will be the ...

) * March – Gaspare Tagliacozzi, Italian anatomist (died

1599 __NOTOC__ Events January–June * January 8 – The Jesuit educational plan, known as the ''Ratio Studiorum'', is issued. * March 12 – Robert Devereux, 2nd Earl of Essex, is appointed Lord Lieutenant of Ireland, by Queen Elizabeth I o ...

) *

John Gerard John Gerard (also John Gerarde, c. 1545–1612) was an English herbalist with a large garden in Holborn, now part of London. His 1,484-page illustrated ''Herball, or Generall Historie of Plantes'', first published in 1597, became a popular gard ...

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

(died

1612 Events January–June * January 6 – Axel Oxenstierna becomes Lord High Chancellor of Sweden. He persuades the Riksdag of the Estates to grant the Swedish nobility the right and privilege to hold all higher offices of governme ...

)

Deaths

Christoph Rudolff Christoph Rudolff (born 1499 in Jawor, Silesia, died 1545 in Vienna) was the author of the first German textbook on algebra. From 1517 to 1521, Rudolff was a student of Henricus Grammateus (Schreyber from Erfurt) at the University of Vienna and ...

Silesia Silesia (, also , ) is a historical region of Central Europe that lies mostly within Poland, with small parts in the Czech Republic and Germany. Its area is approximately , and the population is estimated at around 8,000,000. Silesia is split ...

(born 1499)

References

{{Reflist 16th century in science 1540s in science