Treaty of Zaragoza
The Treaty of Zaragoza, or Treaty of Saragossa, also referred to as the Capitulation of Zaragoza, was a peace treaty between Spain and Portugal signed on 22 April 1529 by King John III and the Emperor Charles V in the Spanish city of Zaragoza. The treaty defined the areas of Spanish and Portuguese influence in Asia to resolve the "Moluccas issue", when both kingdoms claimed the Moluccas islands for themselves, considering it within their exploration area established by the Treaty of Tordesillas in 1494. The conflict sprang in 1520, when the expeditions of both kingdoms reached the Pacific Ocean, since there was not a set limit to the east.
Background: the "Moluccas Issue"
In 1494 Spain and Portugal signed the Treaty of Tordesillas, dividing the world into two exploration and colonizing areas: the Spanish and the Portuguese. It stated a meridian in the Atlantic Ocean, with the western part exclusive to Spain and the east to Portugal.
In 1511 Malacca, then the center of Asian trade, was conquered for Portugal by Afonso de Albuquerque. Getting to know the secret location of the so-called "spice islands" – the Banda Islands in the Moluccas, then the single world source of nutmeg and cloves, main purpose for the travels in the Indian sea – he sent an expedition led by António de Abreu to Banda, where they were the first Europeans to arrive in early 1512. Abreu then left for Ambon Island while his vice-captain Francisco Serrão sank off Ternate, where he obtained a license to build a Portuguese fortress-factory: the Forte de São João Baptista de Ternate.
Letters sent from Serrão to Ferdinand Magellan, who were friends and possibly cousins, describing the "Spice Islands", helped Magellan persuade the Spanish crown to finance the first circumnavigation travel. On November 6, 1521, the Moluccas, "cradle of all spices," were reached from the east by Magellan's fleet, sailing then under Juan Sebastián Elcano, at the service of the Spanish Crown. Before Magellan and Serrão could meet in the Moluccas, Serrão died on the island of Ternate, almost at the same time Magellan was killed in the battle of Mactan in the Philippines.
After the Magellan expedition (1519–1522), Charles V sent an expedition led by García Jofre de Loaísa to colonize the islands, claiming that they were in his zone of the Treaty of Tordesillas. The expedition reached with difficulty the Moluccas, docking at Tidore, where the Spanish later founded a fort. The conflict with the Portuguese already established in Ternate there was inevitable, resulting in the Spanish defeat after a year of fighting, starting nearly a decade of skirmishes over the possession.
Conferences of Badajoz – Elvas
In 1524 both kingdoms organized the Junta de Badajoz-Elvas to resolve the issue. To find the exact location of the antimeridian of Tordesillas, which would divide the world into two equal hemispheres, each crown appointed three astronomers and cartographers, three pilots and three mathematicians. Lopo Homem, Portuguese cartographer and cosmographer was in the Board, Diogo Lopes de Sequeira was another of the participants, along with former Portuguese cartographer Diogo Ribeiro on the Spanish delegation. The board met several times at Badajoz and Elvas, without reaching an agreement: the knowledge at that time was insufficient for an accurate calculation of longitude, and each group gave the islands to its sovereign. John III and Charles V agreed to not send anyone else to get Moluccan spices until finding in whose hemisphere were the islands.
Between 1525 and 1528 Portugal sent several expeditions around the Moluccas. Gomes de Sequeira and Diogo da Rocha were sent by the governor of Ternate Jorge de Meneses to the north, being then the first Europeans to reach the Caroline Islands, which they named "Islands de Sequeira ". In 1526 Jorge de Meneses docked on Waigeo island, in Papua New Guinea.
On February 10, 1525 Charles V's younger sister Catherine of Austria married John III of Portugal and on March 11, 1526, Charles V married king John's sister Isabella of Portugal. These crossed weddings strengthened the ties between the two crowns, easing an agreement on the Moluccas. It was in the interest of the emperor to avoid conflict, to focus on his European policy, and the Spaniards did not know then how to carry the spices from the Moluccas to Europe sailing to east (the Manila-Acapulco route would be discovered by Andrés de Urdaneta only in 1565).
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The Treaty of Zaragoza stated the meridian was 297.5 leagues (1,763 kilometers, 952 nautical miles)[note 1] or 17° east of the Maluku Islands as the border between the two domain zones. The treaty had also a safeguard stating that, if at any time the emperor wished to restore the deal, the sale would be undone, with the Portuguese receiving the money they had to pay and each "will have the right and the action as that is now." However, this never happened, because the emperor desperately needed the Portuguese money to finance the war of the League of Cognac against his arch-rival Francis I of France.
The Treaty of Zaragoza did not modify or clarify the line of demarcation in the Treaty of Tordesillas, nor did it validate Spain's claim to equal hemispheres (180° each), so the two lines divided the Earth into unequal portions. Portugal's portion was roughly 191° whereas Spain's portion was roughly 169°. Both portions have a large uncertainty of ±4° due to the wide variation in the opinions regarding the location of the Tordesillas line.
Portugal gained control of all lands and seas west of the Zaragoza, including all of Asia and its neighboring islands so far "discovered," leaving Spain most of the Pacific Ocean. Although the Philippines were not named in the treaty, Spain implicitly relinquished any claim to them because they were well west of the line. Nevertheless, by 1542, King Charles V decided to colonize the Philippines, judging that Portugal would not protest too vigorously because the archipelago had no spices, but he failed in his attempt. King Philip II succeeded in 1565, establishing the initial Spanish trading post at Manila, with little opposition from the Portuguese as his father had expected.
The Portuguese delegation sent by King João III included, among others, António de Azevedo Coutinho, Diogo Lopes de Sequeira, Lopo Homem and Simão Fernandes. Plenipotentiaries were, from Portugal, António Azevedo Coutinho, and from Spain, Count Mercurio Gâtine; Garcia de Loaysa, Bishop of Osma; and Garcia de Padilla, commander of Calatrava.
- Using the legua náutica (nautical league) of four Roman miles totaling 5.926 km, used by Spain during the 15th and 16th centuries for navigation.
- Hannard (1991), page 7; Milton, Giles (1999). Nathaniel's Nutmeg. London: Sceptre. pp. 5 and 7. ISBN 978-0-340-69676-7.
- R. A. Donkin, "Between east and west: the Moluccas and the traffic in spices up to the arrival of Europeans", p.29, Volume 248 of Memoirs of the American Philosophical Society, DIANE Publishing, 2003 ISBN 0-87169-248-1
- Hannard, Willard A. (1991). Indonesian Banda: Colonialism and its Aftermath in the Nutmeg Islands. Bandanaira: Yayasan Warisan dan Budaya Banda Naira.
- Duarte Barbosa; Mansel Longworth Dames; Fernão de Magalhães. The book of Duarte Barbosa: an account of the countries bordering on the Indian Ocean and their inhabitants. New Delhi: ISBN 81-206-0451-2
- The expedition of García Jofre de Loaísa (1525–1526) aimed to occupy and colonize the Moluccas. The fleet of seven ships and 450 men included the most notable Spanish navigators: Juan Sebastián Elcano, who lost his life in this expedition, and the young Andrés de Urdaneta.
- On the works of this board there is in Torre do Tombo a letter written by Lopo Homem, alluding to the quarrel between the two kingdoms over the sovereign rights of each.
- Antonio Galvano, Richard Hakluyt, C R Drinkwater Bethune, "The discoveries of the world: from their original unto the year of our Lord 1555", The Hakluyt Society, 1862, a partir da tradução inglesa de 1601 da edição portuguesa em Lisboa, 1563
- A theory states that Australia was discovered then by Cristóvão de Mendonça (1522) and Gomes de Sequeira (1525). (This assertion is currently awaiting wide acceptance pending the evidence).
- Roland Charon, "The linear league in North America", Annals of the Association of American Geographers 70 (1980) 129–153, pp. 142, 144, 151.
- Emma Helen Blair, The Philippine Islands, 1493-1803, part 3
- Yasuo Miyakawa. "The changing iconography of Japanese political geography," GeoJournal, Vol. 52, No. 4, Iconographies (2000), pp. 345–352.