page_title: Portuguese Empire
section_title: Iberian Union, Protestant rivalry, and colonial stasis (1581–1640)
hierarchical_section_title: Portuguese Empire / History / First era (1415–1663) / Iberian Union, Protestant rivalry, and colonial stasis (1581–1640)
context_page_description: The Portuguese Empire, also known as the Portuguese Overseas or the Portuguese Colonial Empire, was composed of the overseas colonies and territories governed by Portugal. It was the first global empire in history and one of the longest-lived empires. It existed for almost six centuries, from the capture of Ceuta in 1415, to the handover of Portuguese Macau to China in 1999. The empire began in the 15th century, and from the early 16th century it stretched across the globe, with bases in North and South America, Africa, and various regions of Asia and Oceania.
  The Portuguese Empire originated at the beginning of the Age of Discovery, and the power and influence of the Kingdom of Portugal would eventually expand across the globe. In the wake of the Reconquista, Portuguese sailors began exploring the coast of Africa and the Atlantic archipelagos in 1418–19, using recent developments in navigation, cartography and maritime technology such as the caravel, with the aim of finding a sea route to the source of the lucrative spice-trade. In 1488 Bartolomeu Dias rounded the Cape of Good Hope, and in 1498 Vasco da Gama reached India.
context_section_description: In 1580, King Philip II of Spain invaded Portugal after a crisis of succession brought about by King Sebastian of Portugal's death during a disastrous Portuguese attack on Alcácer Quibir in Morocco in 1578. At the Cortes of Tomar in 1581, Philip was crowned Philip I of Portugal, uniting the two crowns and overseas empires under Spanish Habsburg rule in a dynastic Iberian Union. At Tomar, Philip promised to keep the empires legally distinct, leaving the administration of the Portuguese Empire to Portuguese nationals, with a Viceroy of Portugal in Lisbon seeing to his interests. Philip even had the capital moved to Lisbon for a two-year period (1581–83) due to it being the most important city in the Iberian peninsula. All the Portuguese colonies accepted the new state of affairs except for the Azores, which held out for António, a Portuguese rival claimant to the throne who had garnered the support of Catherine de Medici of France in exchange for the promise to cede Brazil. Spanish forces eventually captured the islands in 1583.
  The Tordesillas boundary between Spanish and Portuguese control in South America was then increasingly ignored by the Portuguese, who pressed beyond it into the heart of Brazil, allowing them to expand the territory to the west. Exploratory missions were carried out both ordered by the government, the "entradas" (entries), and by private initiative, the "bandeiras" (flags), by the "bandeirantes". These expeditions lasted for years venturing into unmapped regions, initially to capture natives and force them into slavery, and later focusing on finding gold, silver and diamond mines.
  However, the union meant that Spain dragged Portugal into its conflicts with England, France and the Dutch Republic, countries which were beginning to establish their own overseas empires. The primary threat came from the Dutch, who had been engaged in a struggle for independence against Spain since 1568. In 1581, the Seven Provinces gained independence from the Habsburg rule, leading Philip II to prohibit commerce with Dutch ships, including in Brazil where Dutch had invested large sums in financing sugar production.
  Spanish imperial trade networks now were opened to Portuguese merchants, which was particularly lucrative for Portuguese slave traders who could now sell slaves in Spanish America at a higher price than could be fetched in Brazil. In addition to this newly acquired access to the Spanish asientos, the Portuguese were able to solve their bullion shortage issues with access to the production of the silver mining in Peru and Mexico. Manila was also incorporated into the Macau-Nagasaki trading network, allowing Macanese of Portuguese descent to act as trading agents for Philippine Spaniards and use Spanish silver from the Americas in trade with China, and they later drew competition with the Dutch East India Company.
  In 1592, during the war with Spain, an English fleet captured a large Portuguese carrack off the Azores, the Madre de Deus, which was loaded with 900 tons of merchandise from India and China estimated at half a million pounds (nearly half the size of English Treasury at the time). This foretaste of the riches of the East galvanized English interest in the region. That same year, Cornelis de Houtman was sent by Dutch merchants to Lisbon, to gather as much information as he could about the Spice Islands.
  The Dutch eventually realized the importance of Goa in breaking up the Portuguese empire in Asia. In 1583, merchant and explorer Jan Huyghen van Linschoten (1563 – 8 February 1611), formerly the Dutch secretary of the Archbishop of Goa, had acquired information while serving in that position that contained the location of secret Portuguese trade routes throughout Asia, including those to the East Indies and Japan. It was published in 1595; the text was then included in the larger volume published in 1596 under the title "Itinerario: voyage, ofte schipvaert van Jan Huygen van Linschoten naer Oost ofte Portugaels Indien, 1579–1592". Dutch and English interests used this new information, leading to their 
caption: The Portuguese victory at the Second Battle of Guararapes ended Dutch presence in Pernambuco.
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