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Dom Henrique of Portugal, Duke of Viseu (4 March 1394 – 13 November 1460), better known as Prince Henry the Navigator (Portuguese: Infante Dom Henrique, o Navegador), was a central figure in the early days of the Portuguese Empire and in the 15th-century European maritime discoveries and maritime expansion.
Prince Henry the Navigator. Ever since then, others have nuanced that, rather than a nautical school in the modern sense of the word, Sagres was a meeting place for sailors and scientists to exchange information and techniques regarding maps, shipbuilding and organize expeditions.
Major, Richard Henry (1868). The Life of Prince Henry of Portugal Surnamed the Navigator, and Its Results, Comprising the Discovery, Within One Century, of Half the World ... from Authentic Contemporary Documents. Asher. pp. 26– 42. Manzano Rodríguez, Miguel Ángel (1992). La intervención de los Benimerines en la Península Ibérica.
Plaque honoring Henry the Navigator, erected by the United States Power Squadrons. Sagres, Portugal This was a time of many important discoveries: cartography was being refined with the use of newly devised instruments , such as an improved astrolabe and improved sundial , maps were regularly being updated and extended, and a revolutionary type ...
The Portuguese expeditionary force, led by Prince Henry the Navigator, Duke of Viseu, set out from Portugal in August 1437, intending to seize a series of Moroccan coastal citadels. The Portuguese laid siege to Tangier in mid-September.
The map was completed on 24 April 1459, and sent to Portugal, but that copy did not survive. Along with the map was a letter from the Doge of Venice. It was intended for Prince Henry the Navigator, Afonso V's uncle. It encouraged the prince to continue funding exploratory journeys.
1460—Death of Prince Henry, the Navigator. His systematic mapping of the Atlantic, reached 8° N on the African Coast and 40° W in the Atlantic (Sargasso Sea) in his lifetime. 1461—Diogo Gomes and António de Noli discovered more of the Cape Verde Islands. 1461—Diogo Afonso discovered the western islands of the Cabo Verde group.
Vallseca's most famous map is the portolan of 1439, particularly for incorporating the very recent discoveries of the captains of the Portuguese Prince Henry the Navigator. Its depiction of the Atlantic Ocean stretches from Scandinavia down to the Rio de Oro and including the Atlantic islands of the Azores , Madeira and Canaries , as well as ...