Diogo Cão
Diogo Cão | |
|---|---|
 | |
| Born | ca. 1452 |
| Died | ca. 1486 |
| Nationality | Portuguese |
| Occupation | Navigator and explorer |
| Known for | First European to explore the Congo River and the west coast of Africa. |
Diogo Cão (Portuguese pronunciation: [diˈoɣu ˈkɐ̃w̃]), anglicised as Diogo Cam and also known as Diego Cam,[1] was a Portuguese explorer and one of the most notable navigators of the Age of Discovery. He made two voyages sailing along the west coast of Africa in the 1480s, exploring the Congo River and the coasts of the present-day Angola and Namibia.[2]
Early life and family[edit]
Cão was born in Vila Real (some say in Évora), in the middle of the 15th century, the illegitimate son of Álvaro Fernandes or Gonçalves Cão, fidalgo of the Royal Household, himself the illegitimate son of Gonçalo Cão. He married and had four children: Pedro Cão, Manuel Cão, André Afonso Cão, and Isabel Cão.
His Christian name was Jacobus. "Cão" was a nickname meaning "dog", which means his nickname translated to "Diogo the dog".[citation needed]
Explorer[edit]
Cão was the first European known to sight and enter the Congo River and to explore the West African coast between Cape St. Catherine in Gabon and Cape Cross, almost from the equator to Walvis Bay in Namibia.[3]
First voyage[edit]
When King John II of Portugal restarted the work of Henry the Navigator, he sent out Cão (probably around midsummer 1482) to explore the African coast south of the equator. Diogo Cão filled his ship with stone pillars surmounted by the cross of the Order of Christ and engraved with the Portuguese royal arms (padrãos), with the plan to erect one in every new place he would discover.[citation needed]
On his way, he stopped in the newly built Elmina Castle to stock up.[citation needed]
He discovered the mouth and estuary of the Congo, probably in August 1482 and marked it with a padrão, or stone pillar erected on Shark Point, attesting to the sovereignty of Portugal. This padrão still stands to this day, albeit in ruins.
He also ascended the great river for a short distance, and commenced modest commerce with the natives of the Bakongo kingdom. He was told that their King lived farther upriver. He sent 4 men to meet the King, kept four natives to serve as ambassadors of Kongo in Portugal, and sailed back down the river to the Atlantic.[citation needed] Cão then coasted down along the present Angola (Portuguese West Africa), and erected a second padrão, probably marking the termination of this voyage, at Cape Saint Mary (the Monte Negro of these first visitors).[3]
The first padrão erected at the mouth of the Congo River, the S. Jorge, has been taken by an English ship that sunk, according to indigenous rumors (the base is still there). The second one, the St. Agostinho, still stands today, but misses its cross on top.[citation needed]
He returned to Lisbon by 8 April 1484 (on his return he discovered the Island of Annobón), where John II ennobled him, promoting him from esquire to a knight of his household, and granted him an annuity (10000 reais) and a coat of arms where two padrões are represented. The King also asked him to sail back to Kongo to repatriate the 4 men he left behind.[3][citation needed]
Second voyage[edit]
That Cão, on his second voyage of 1484–1486, was accompanied by Martin Behaim (as alleged on the latter's Nuremberg globe of 1492) is very doubtful. But it is known that the explorer revisited the Congo and erected two more padrãos on land beyond his previous voyage. The first was at Cabo Negro, Angola, the second at Cape Cross. The Cape Cross pillar probably marked the end of his progress southward, some 1,400 kilometers.[3] Diogo Cão also embarked the 4 indigenous ambassadors, that he had promised not to keep for more than fifteen moons.[citation needed]
Cão ascended the Kongo River (which he thought led towards the realm of Prester John), up to the neighborhood of the site of Matadi. There, in October or November 1485, near the falls of Ielala, he left an inscription engraved on the stone which testifies of its passage and that of his men: Aqui chegaram os navios do esclarecido rei D.João II de Portugal - Diogo Cão, Pero Anes, Pero da Costa. ("Here reached the ships of the enlightened king John II of Portugal – Diogo Cão, Pero Anes, Pero da Costa").
According to one authority (a legend on the 1489 map of Henricus Martellus Germanus), Cão died off Cape Cross; but João de Barros and others wrote of his return to the Kongo, and subsequent taking of a native envoy to Portugal. A report by a board of astronomers and pilots presented at a 1525 conference in Badajo clearly stated that his death happened near Serra Parda. A coast map by Henricus Martellus Germanus published in 1489 indicated the location of a padrão erected by Diogo Cão in Ponta dos Farilhões nearby Serra Parda, with the legend "et hic moritur" ("and here he died"). The Venetian cartographer Pietro Coppo corroborated this location of death in 1520.[citation needed]
The four pillars set up by Cão on his two voyages have all been discovered still on their original site, and the inscriptions on two of them from Cape Santa Maria and Cape Cross, dated 1482 and 1485 respectively, are still to be read and have been printed. The Cape Cross padrão was long in Berlin (replaced on the spot by a granite facsimile) but was recently returned to Namibia; those from the Kongo estuary and the more southerly Cape Santa Maria and Cabo Negro are in the Museum of the Lisbon Geographical Society.[3]
Tributes post-mortem[edit]
In Vila Real, the plaza Diogo Cão was named after him. In the center of the plaza stands a bronze statue of him supported by a square granite pedestal base.[4]
In 1999, André Roubertou from the French Hydrographic Office (SHOM) named an undersea hole located off the southern coast of Portugal (Gulf of Cádiz) the Diogo Cão Hole.[5]
In 2018, a hopper dredger called the Diogo Cao and immatriculated in Luxembourg was launched afloat.[6]
In literature[edit]
Diogo Cão is the subject of Padrão, one of the best-known poems in Fernando Pessoa's book Mensagem, the only one published during the author's lifetime. He also figures strongly in the 1996 novel Lord of the Kongo by Peter Forbath.
Sources[edit]
- Barros, João de. Décadas da Ásia, Década I. bk. III., esp. ch. 3;
- Ruy de Pina, Chronica d'el Rei D. João II.;
- Garcia de Resende, Chronica;
- Luciano Cordeiro, Diogo Cão in Boletim da Sociedade de Geografia de Lisboa, 1892;
- E; G. Ravenstein, Voyages of Diogo Cão, &c., in Geog. Jnl. vol. xvi. (1900), also Geog. Jnl. xxxi. (1908).
- António da Costa de Albuquerque de Sousa Lara, 2nd Count de Guedes, Vasco de Bettencourt de Faria Machado e Sampaio and Marcelo Olavo Correia de Azevedo, Ascendências Reais de Sua Alteza Real a Senhora Dona Isabel de Herédia Duquesa de Bragança, I, pelos Costados Herédia, Bettencourt e Meneses da Ilha da Madeira" (Universitária Editora, 1999)
See also[edit]
External links[edit]
References[edit]
- ^ , Encyclopædia Britannica, 9th ed., Vol. II, New York: Charles Scribner's Sons, 1878, p. 45.
- ^ Beazley 1911.
- ^ a b c d e
One or more of the preceding sentences incorporates text from a publication now in the public domain: Beazley, Charles Raymond (1911). "Cam (Cão), Diogo". In Chisholm, Hugh (ed.). Encyclopædia Britannica. 5 (11th ed.). Cambridge University Press. p. 79. - ^ Monument to Diogo Cão, Minube.net (accessed on 20 May 2019)
- ^ Marine Gazetteer Placedetails, Marineregions.org (accessed on 20 May 2019)
- ^ DIOGO CAO - HOPPER DREDGER, Vesselfinder.com (accessed on 20 May 2019)
One or more of the preceding sentences incorporates text from a publication now in the 
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