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Prince Henry the Navigator

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Susan M. Pojer, Web Mistress http://www.pptpalooza.net/ Prince Henry the Navigator And his school of navigation at Sagres, Portugal By Deborah L. Hoeflinger – PowerPoint PPT presentation

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Title: Prince Henry the Navigator


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Prince Henry the Navigator
Susan M. Pojer, Web Mistress http//www.pptpaloo
za.net/
  • And his school of navigation at Sagres, Portugal
  • By
  • Deborah L. Hoeflinger

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Prince Henry the Navigator
  • Prince Henry the Navigator (Dom Henrique) was the
    son of King João of Portugal, born in 1394. He is
    most famous for the voyages of discovery that he
    organized and financed, which eventually led to
    the rounding of Africa and the establishment of
    sea routes to the Indies. Henry was also a very
    devout man, and was Governor of the Order of
    Christ from 1420 until his death in 1460.

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the end of the world where the waters of the
ocean boil at sunset. (Roman name for Sagres.)
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Sagres, Portugal's Lands End.
  • This place, a promontory on the edge of the open
    ocean, had an otherworldly reputation, and had
    been called the Sacred Promontory by Marinus and
    Ptolomy (from which the name Sagres derives.)

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Sagres
  • The exact location of Henry's School of
    Navigation is not known. It is generally accepted
    that he sited his headquarters at Sagres and
    created a settlement on land granted by the
    crown. The settlement came to be known as Vila do
    Infante, or Prince's town. This is popularly
    believed to have been situated on the headland
    within the walls of the forteleza which were
    rebuilt after the 1755 earthquake. The only
    building still surviving and thought to have been
    around in more or less its present form in
    Henry's day, is the starkly simple little church
    within the fortress

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The Work at Sagres
  • Here, the legend goes, Prince Henry made his base
    for sea exploration, making it a centre for
    cartography, navigation and shipbuilding. The
    Catalan Jew from Majorca, Jehuda Cresques, son of
    the cartographer Abraham Cresques, was brought to
    Sagres to supervise the collation of geographic
    facts brought back by Henry's explorers, who were
    encouraged and later required to keep detailed
    logs of their voyages. Muslims and Arabs,
    Italians from Genoa and Venice, Germans and
    Scandinavians came to Sagres.

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SagresLands End
  • Under Henry's patronage, a community of brilliant
    scholars came here to teach and to study,  and 
    accumulated and correlated nautical knowledge as
    it was brought back by captains of successive
    voyages to hitherto unknown places. The scholars
    in turn instructed less experienced captains
    about Atlantic currents and wind systems and the
    latest navigational methods. Cartography was
    refined with the use of newly devised
    instruments. Maps were regularly updated and
    extended. A revolutionary type of vessel, the
    caravel, was designed.

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Sagres Successes
  • Navigational instruments,such as the quadrant,
    and new mathematical tables to aid in determining
    latitude.
  • The local port of Lagos saw the development of a
    new type of ship, the caravel.

9
Voyages of Discovery
  • During the two-year period from 1444 to 1446,
    Prince Henry intensified the exploration of
    Africa, sending between 30 and 40 of his ships on
    missions. The last voyage sponsored by Prince
    Henry sailed over 1,500 miles down the African
    coast.
  • Although he never sailed on the expeditions, the
    voyages that he paid for in the mid-1400s helped
    launch Portugal into the front of the race to
    find a sea route to the Indies.

10
The Islands
  • Henry's first success was the discovery of the
    small island of Porto Santo.
  • Soon after, he went on to discover Madeira.
  • Later, he discovered and colonized the Azores.


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Sagres Importance
The most southerly community in Portugal and the
most south-westerly in continental Europe is at
Sagres, overlooking the Bay of Sagres, which is
itself flanked by two headlands Atalaia Point
and Sagres Point. It is only when you catch sight
of the grey ramparts of the fortress blocking off
the massive plateau of Sagres Point and cast your
eye around the 10 km arc of sheer cliffs to the
lighthouse at Cape St. Vincent that you get a
real feeling for the tremendous historical
importance of this place. It was at least as
important during the Age of Discovery as Cape
Canaveral was during the early years of space
exploration. When the weather is fair, it can be
a powerful sensation to sit quietly anywhere
along the clifftops here and look out to sea and
ponder the extraordinary adventurers who have
passed this way.
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Henrys Death
  • Henry lived in the vicinity of Sagres for most of
    his life and this is where he died on November
    13, 1460 at the age of 66. He had opened the way,
    but had not lived long enough to savour and share
    the successes of Bartolomeu Dias who rounded the
    Cape of Good Hope in 1488, and Vasco da Gama who
    finally pushed through the sea route to India in
    1498.

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Susan M. Pojer, Web Mistress http//www.pptpaloo
za.net/
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