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96-613: The current mayor is Paulo Silva. The toponymy Seixal comes from a type of smooth stone ( seixo ) that is found in rivers; the name evolving from the name used to describe the geomorphology of the region. Since the Roman era, the Tagus bay has been a region of human settlement, from many of the archaeological discoveries at Quinta do Rouxinol, in Corroios, and Quinta de S. João, in Arrentela (beginning in

192-635: A mare clausum policy in the Atlantic. The king, who had been inquiring of Genoese experts about a seaway to India, commissioned the Fra Mauro world map , which arrived in Lisbon in 1459. In 1456, Diogo Gomes reached the Cape Verde archipelago. In the next decade captains at the service of Prince Henry, discovered the remaining islands which were occupied during the 15th century. The Gulf of Guinea would be reached in

288-463: A faster-than-exponential population growth world-wide. The concept of discovery has been scrutinized, critically highlighting the history of the core term of this periodization . The term "age of discovery" is in historical literature and still commonly used. J. H. Parry , calling the period the Age of Reconnaissance , argues that not only was the era one of European explorations, but it also produced

384-570: A 'discovery'. Something of which they had no prior knowledge had suddenly presented itself to their gaze." O'Gorman argues that the physical encounter with new territories was less important than the Europeans' effort to integrate this new knowledge into their worldview, what he calls "the invention of America". Pagden examines the origins of the terms "discovery" and "invention". In English, "discovery" and its forms in romance languages derive from " disco-operio , meaning to uncover, to reveal, to expose to

480-659: A Castilian armada of 35 caravels, and a Portuguese fleet for the hegemony of the Guinea trade (gold, slaves, ivory, and malagueta pepper). The war ended with a Portuguese naval victory, followed by the official recognition by the Catholic Monarchs of Portuguese sovereignty over most of the disputed West African territories embodied in the Treaty of Alcáçovas, 1479. This was the first colonial war among European powers. In 1481, João II decided to build São Jorge da Mina factory . In 1482

576-502: A Muslim merchant to India and Southeast Asia. In 1466–1472, Russian merchant Afanasy Nikitin of Tver travelled to India, which he described in his book A Journey Beyond the Three Seas . These overland journeys had little immediate effect. The Mongol Empire collapsed almost as quickly as it formed and soon the route to the east became more difficult and dangerous. The Black Death of the 14th century also blocked travel and trade for

672-659: A Venetian merchant, dictated an account of journeys throughout Asia from 1271 to 1295, describing being a guest at the Yuan dynasty court of Kublai Khan in Travels . It was read throughout Europe. The Muslim fleet guarding the Strait of Gibraltar was defeated by Genoa in 1291. In that year, the Genoese attempted their first Atlantic exploration when merchant brothers Vadino and Ugolino Vivaldi sailed from Genoa with two galleys, but disappeared off

768-514: A book of supposed travels compiled by John Mandeville acquired popularity. Despite the unreliable and often fantastical nature of its accounts, it was used as a reference for the East, Egypt, and the Levant in general, asserting the old belief that Jerusalem was the centre of the world . Following the period of Timurid relations with Europe , in 1439, Niccolò de' Conti published an account of his travels as

864-533: A confederation of merchant guilds and their towns in north Germany, along the North Sea and Baltic Sea, was instrumental in the commercial development of the region. In the 12th century, the regions of Flanders , Hainault , and Brabant produced the finest quality textiles in northwest Europe, which encouraged merchants from Genoa and Venice to sail there from the Mediterranean, through the Strait of Gibraltar, and up

960-738: A constant deficit in silver and gold , as it only went out, spent on eastern trade now cut off. Several European mines were exhausted, The lack of bullion led to the development of a complex banking system to manage the risks in trade (the first state bank, Banco di San Giorgio , was founded in 1407 at Genoa). Sailing also into the ports of Bruges (Flanders) and England, Genoese communities were then established in Portugal, who profited from their enterprise and financial expertise. European sailing had been primarily close to land cabotage , guided by portolan charts . These charts specified proven ocean routes guided by coastal landmarks: sailors departed from

1056-559: A distinct period of time. Published in 1496 by the Jewish astronomer, astrologer, and mathematician Abraham Zacuto , the Almanac Perpetuum included some of these tables for the movements of stars. These tables revolutionized navigation, allowing the calculation of latitude . Exact longitude remained elusive from mariners for centuries. Using the caravel, systematic exploration continued ever more southerly, advancing on average one degree

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1152-504: A government policy in several European states. As such, it is sometimes synonymous with the first wave of European colonization . The colonization reshaped power dynamics causing geopolitical shifts in Europe and creating new centers of power beyond Europe. Having set human history on the global common course, the legacy of the Age still shapes the world today. European oceanic exploration started with

1248-558: A known point, followed a compass heading, and tried to identify their location by its landmarks. For the first oceanic exploration Western Europeans used the compass, as well as progressive new advances in cartography and astronomy. Arab navigational tools like the astrolabe and quadrant were used for celestial navigation . The Muslim lands in Asia were generally more economically developed and had better infrastructure than Europe at this time, despite Europe's economic changes brought about by

1344-564: A personal interest in exports. In 1317, he made an agreement with Genoese merchant sailor Manuel Pessanha , appointing him first admiral of the Portuguese Navy , to defend the country against Muslim pirate raids. Outbreaks of bubonic plague led to severe depopulation in the second half of the 14th century: only the sea offered alternatives, with most population settling in fishing and trading coastal areas. Between 1325 and 1357, Afonso IV of Portugal encouraged maritime commerce and ordered

1440-455: A three-day music festival with hundreds of Portuguese and international bands and artists across five different stages, in addition to ethnographic demonstrations, gastronomy, social debates, books and music fair, the Avanteatro (theatre) and sporting events. Several foreign communist parties also participate. The events preparation begins following the conclusion of the annual festivities, through

1536-503: A time. Religion played a critical role in motivating European expansionism . In 1487, Portuguese envoys Pero da Covilhã and Afonso de Paiva were sent on a covert mission to gather intelligence on a potential sea route to India and inquire about Prester John , a Nestorian patriarch and king, believed to rule over parts of the subcontinent. Covilhã was warmly received upon his arrival in Ethiopia, but forbidden from leaving. During

1632-735: A year. Senegal and Cape Verde Peninsula were reached in 1445 and in 1446, Álvaro Fernandes pushed on almost as far as present-day Sierra Leone . In 1453, the Fall of Constantinople to the Ottomans was a perceived blow to Christendom and established business links with the East. In 1455, Pope Nicholas V issued the bull Romanus Pontifex reinforcing the previous Dum Diversas (1452), granting all lands and seas discovered beyond Cape Bojador to King Afonso V of Portugal and his successors, as well as mostly cutting off trade to and permitting conquest and increased war against Muslims and pagans, initiating

1728-460: Is Seixal Business Park, an area next to the Coina node where are headquartered 69 companies, representing about 1,500 jobs, and the study redefine the spatial organization of the area occupied by the former National Steel Company (Siderurgia National do Seixal). These two projects converge on the new Economic Activities Park Seixal County, an area with a total of 700 hectares. Another area of investment in

1824-624: Is likely this last expedition reached as far as Madagascar . The travels were reported by Ma Huan , a Muslim voyager and translator who accompanied Zheng He on three of the expeditions, his account published as the Yingya Shenglan (Overall Survey of the Ocean's Shores) (1433). The voyages had a significant and lasting effect on the organization of a maritime network , using and creating nodes and conduits in its wake, thereby restructuring international and cross-cultural relationships and exchanges. It

1920-466: The Age of Sail . It was a period from approximately the late 15th century to the 17th century, during which seafarers from a number of European countries explored, colonized, and conquered regions across the globe. The Age of Discovery was a transformative period in world history when previously isolated parts of the world became connected to form the world-system and laid the groundwork for globalization . The extensive overseas exploration, particularly

2016-481: The Black Death allowing for more freedoms for lower- and upper-class people. The gunpowder empires concealed knowledge to European Christian traders about where lucrative locations such as Indonesia were, spurring a further desire for Christian trade with other Muslim nations besides the gunpowder empires despite European Christians generally having antipathy towards Muslims. In 1297, King Denis of Portugal took

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2112-582: The Christian reconquest of Al-Andalus in what is now southern Spain and the siege of Lisbon (1147 AD), in Portugal. The decline of Fatimid Caliphate naval strength, which started before the First Crusade , helped the maritime Italian states, mainly Venice, Genoa and Pisa, dominate trade in the Eastern Mediterranean , with merchants there becoming wealthy and politically influential. Further changing

2208-568: The Congo River was explored by Diogo Cão , who in 1486 continued to Cape Cross (modern Namibia ). The next crucial breakthrough was in 1488, when Bartolomeu Dias rounded the southern tip of Africa, which he named Cabo das Tormentas, "Cape of Storms", anchoring at Mossel Bay and then sailing east as far as the mouth of the Great Fish River , proving the Indian Ocean was accessible from

2304-515: The Levant raised curiosity and commercial interest in countries which lay further east. There are a few accounts of merchants from North Africa and the Mediterranean, who traded in the Indian Ocean in late medieval times. Christian embassies were sent as far as Karakorum during the Mongol invasions of the Levant , from which they gained a greater understanding of the world. The first of these travellers

2400-581: The New World (the Americas and Australia). This exchange involved the transfer of plants, animals, human populations (including slaves ), communicable diseases , and culture across the Eastern and Western Hemispheres . The Age of Discovery and European exploration involved mapping of the world , shaping a new worldview and facilitating contact with distant civilizations. The continents drawn by European mapmakers of

2496-610: The New World . By the late 16th and 17th centuries, the latter's presence increased as they sought to reassert their power and revive the Catholic culture of Europe, which had been damaged by the Reformation . The Chinese had wide connections through trade in Asia and been sailing to Arabia , East Africa , and Egypt since the Tang dynasty (AD 618–907). Between 1405-21, the third Ming emperor Yongle sponsored long range tributary missions in

2592-449: The Treaty of Tordesillas , ratified by Pope Julius II . In 1498, a Portuguese expedition commanded by Vasco da Gama reached India by sailing around Africa, opening up direct trade with Asia. While other exploratory fleets were sent from Portugal to northern North America, Portuguese India Armadas also extended this Eastern oceanic route, touching South America and opening a circuit from

2688-616: The transatlantic voyages of the Italian navigator Christopher Columbus , which from 1492 to 1504 marked the start of colonization in the Americas, and the expedition of the Portuguese explorer Ferdinand Magellan to open a route from the Atlantic Ocean to the Pacific, which later achieved the first circumnavigation of the globe between 1519 and 1522. These Spanish expeditions significantly impacted

2784-483: The " frontier " (as in Frontier Thesis ) and manifest destiny , up to the contemporary age of space exploration . Alternatively, the term contact , as in first contact , has been used to shed more light on the age of discovery and colonialism, using the alternative names of Age of Contact or Contact Period , discussing it as an "unfinished, diverse project". The Portuguese began systematically exploring

2880-564: The 11th century. It was adopted by Arab traders in the Indian Ocean. The compass spread to Europe by the late 12th or early 13th century. Use of the compass for navigation in the Indian Ocean was first mentioned in 1232. The first mention of use of the compass in Europe was in 1180. The Europeans used a "dry" compass, with a needle on a pivot. The compass card was also a European invention. Ships grew in size, required smaller crews and were able to sail longer distances without stopping. This led to significant lower long-distance shipping costs by

2976-604: The 1460s. In 1460, Pedro de Sintra reached Sierra Leone. Prince Henry died in November of that year after which, given the meagre revenues, exploration was granted to Lisbon merchant Fernão Gomes in 1469, who in exchange for the monopoly of trade in the Gulf of Guinea had to explore 100 miles (161 kilometres) each year for five years. With his sponsorship, explorers João de Santarém , Pedro Escobar , Lopo Gonçalves, Fernão do Pó , and Pedro de Sintra made it beyond those goals. They reached

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3072-532: The 14th century. Cogs remained popular for trade because of their low cost. Galleys were also used in trade. The Periplus of the Erythraean Sea , a document from 40-60 AD, describes a newly discovered route through the Red Sea to India, with descriptions of the markets in towns around Red Sea, Persian Gulf and the Indian Ocean, including along the east coast of Africa, which states "for beyond these places

3168-437: The 1993 elevation of Seixal and Amora into cities, and the establishment of Corroios into the status of town. Seixal's industrial tradition dates to the shipbuilding industries during the Age of Discoveries. Its privileged location near the capital, with ease of access along the river, contributed to the establishment of various industries. By the early 1990s, heavy industry and manufacturing ceased to be an important motivator of

3264-558: The Aegean, Bosporus, and Black Sea. The Venetians and other maritime republics maintained more limited access to Asian goods, via south-eastern Mediterranean trade, in such ports as Antioch, Acre, and Alexandria. Forced to reduce their activities in the Black Sea, and at war with Venice, the Genoese had turned to North African trade of wheat, olive oil and a search for silver and gold. Europeans had

3360-435: The Age developed from abstract "blobs" into the outlines more recognizable to us today. Simultaneously, the spread of new diseases, especially affecting American Indians , led to rapid population declines . The era saw widespread enslavement , exploitation and military conquest of native populations , concurrent with the growing economic influence and spread of western and European culture , science and technology leading to

3456-569: The Arab seamen, and its southern extent was unknown. There were reports of great African Sahara , but the knowledge was limited for the Europeans, to the Mediterranean coast and little else, since the Arab blockade of North Africa precluded exploration inland. Knowledge about the Atlantic African coast was fragmented and derived mainly from old Greek and Roman maps based on Carthaginian knowledge, including Roman exploration of Mauritania . The Red Sea

3552-631: The Atlantic coast of Africa in 1418, under the sponsorship of Prince Henry the Navigator . In 1488, Bartolomeu Dias reached the Indian Ocean by this route. In 1492, the Catholic Monarchs of Spain funded Genoese mariner Christopher Columbus 's ( Italian : Cristoforo Colombo ) plan to sail west to reach the Indies , by crossing the Atlantic. Columbus encountered a continent uncharted by Europeans (though it had been explored and temporarily colonized by

3648-562: The Atlantic coast. Nicolòzzo Spinola made the first recorded direct voyage from Genoa to Flanders in 1277. Technological advancements that were important to the Age of Exploration were the adoption of the magnetic compass and advances in ship design. The compass was an addition to the ancient method of navigation based on sightings of the sun and stars. It was invented during the Chinese Han dynasty and had been used for navigation in China by

3744-530: The Atlantic. Simultaneously Pero da Covilhã , sent out travelling secretly overland, had reached Ethiopia having collected important information about the Red Sea and Quenia coast, suggesting a sea route to the Indies would soon be forthcoming. Soon the cape was renamed by King John II of Portugal the " Cape of Good Hope ", because of the great optimism engendered by the possibility of a sea route to India, proving false

3840-464: The Canary Islands in 1402 but became distracted by internal Iberian politics and the repelling of Islamic invasion attempts and raids through most of the 15th century. Late in the century, following the unification of the crowns of Castile and Aragon, an emerging modern Spain became fully committed to the search for new trade routes overseas. The Crown of Aragon had been an important maritime power in

3936-646: The European perceptions of the world. These discoveries led to numerous naval expeditions across the Atlantic , Indian, and Pacific Oceans , and land expeditions in the Americas, Asia , Africa , and Australia that continued into the late 19th century, followed by the exploration of the polar regions in the 20th century. European exploration initiated the Columbian exchange between the Old World (Europe, Asia, and Africa) and

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4032-489: The Indian Ocean under the command of admiral Zheng He . A large fleet of new junk ships was prepared for the international diplomatic expeditions. The largest of these junks—that the Chinese termed bao chuan (treasure ships) —may have measured 121 metres, and thousands of sailors were involved. The first expedition departed in 1405. At least seven well-documented expeditions were launched, each bigger and more expensive than

4128-701: The Indian Ocean, tapping source regions in the Far East and shipping for trading emporiums in India, mainly Kozhikode , westward to Ormus in the Persian Gulf and Jeddah in the Red Sea . From there, overland routes led to the Mediterranean coasts. Venetian merchants distributed the goods through Europe until the rise of the Ottoman Empire , which eventually led to the Fall of Constantinople in 1453, barring Europeans from some important combined-land-sea routes in areas around

4224-504: The Mediterranean, controlling territories in eastern Spain, southwestern France, major islands like Sicily , Malta , and the Kingdom of Naples and Sardinia , with mainland possessions as far as Greece. In 1492 the joint rulers conquered the Moorish kingdom of Granada , which had been providing Castile with African goods through tribute, and decided to fund Christopher Columbus 's expedition in

4320-565: The Middle Ages, the spread of Christianity throughout Europe fueled the desire to sermonise in lands beyond. This evangelical effort became a significant part of the military conquests of European powers, like Portugal , Spain , and France , often leading to the conversion of indigenous peoples, voluntarily or forced. Religious orders such as the Franciscans , Dominicans , Augustinians , and Jesuits partook in most missionary endeavours in

4416-533: The Ming treasure fleet generated and intensified competition among contending polities and rivals, each seeking an alliance with the Ming. The expeditions developed into a maritime trade enterprise, with imperial control over local markets and court-monitored transactions, generating revenue for China and its partners. They boosted regional trade and production, caused a supply shock in Eurasia and led to price spikes in Europe in

4512-709: The Moroccan coast, feeding fears of oceanic travel. From 1325 to 1354, a Moroccan scholar from Tangier , Ibn Battuta , journeyed through North Africa, the Sahara desert, West Africa, Southern Europe, Eastern Europe, the Horn of Africa, the Middle East and Asia, having reached China. After returning, he dictated an account to a scholar he met in Granada, The Rihla ("The Journey"), the unheralded source on his adventures. Between 1357 and 1371

4608-563: The New World to Asia (starting in 1500 by Pedro Álvares Cabral ), and explored islands in the South Atlantic and Southern Indian Oceans. The Portuguese sailed further eastward, to the valuable Spice Islands in 1512, landing in China one year later. Japan was reached by the Portuguese in 1543. In 1513, Spanish Vasco Núñez de Balboa crossed the Isthmus of Panama and reached the "other sea" from

4704-403: The New World. Thus, Europe first received news of the eastern and western Pacific within a one-year span around 1512. East and west exploration overlapped in 1522, when a Spanish expedition sailing westward, led by Portuguese navigator Ferdinand Magellan and, after his death by navigator Juan Sebastián Elcano , completed the first circumnavigation of the world. Spanish conquistadors explored

4800-538: The Norse 500 years earlier). Later, it was called America after Amerigo Vespucci , a trader working for Portugal . Portugal quickly claimed those lands under the terms of the Treaty of Alcáçovas , but Castile was able to persuade the Pope, who was Castilian, to issue four papal bulls to divide the world into two regions of exploration, where each kingdom had exclusive rights to claim newly discovered lands. These were modified by

4896-562: The Pacific Ocean around South America, and eventually by following the Portuguese around Africa, into the Indian Ocean; discovering Australia in 1606, New Zealand in 1642, and Hawaii in 1778. From the 1580s to the 1640s, Russians explored and conquered almost the whole of Siberia and Alaska in the 1730s. After the fall of the Western Roman Empire largely severed the connection between Europe, and lands further east, Christian Europe

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4992-551: The Setúbal peninsula, allowing connection along two bridges over the Tagus, and facilitate inter-municipal commerce. The rail-lines connecting Lisbon to Fogueteiro , across the 25 April Bridge ( Portuguese : Ponte 25 de Abril ), reinforces these roadway connections. Inland navigation across the Tagus estuary is a vital link economically, as well as a tourist link, with catamaran service provided by Transtejo & Soflusa (with 15 minute service) to Cais do Sodré in Lisbon. A lowland community, Seixal provides bike paths along

5088-415: The Southern Hemisphere and islands of the Gulf of Guinea, including São Tomé and Príncipe and Elmina on the Gold Coast in 1471. There, in what came to be called the "Gold Coast" in what is today Ghana , a thriving alluvial gold trade was found among the natives, Arab and Berber traders. In 1478, during the War of the Castilian Succession , near the coast at Elmina a large battle was fought between

5184-478: The Western Ocean's regional integration and increase in international circulation of people, ideas, and goods. It provided a platform for cosmopolitan discourses, which took place in locations such as the ships of the Ming treasure fleet, the Ming capitals of Nanjing as well as Beijing, and the banquet receptions organized by the Ming court for foreign representatives. Diverse groups of people from maritime countries congregated, interacted, and traveled together as

5280-447: The bay that link Amora and Seixal, passing through the parishes of Seixal, Arrentela and Amora. Throughout there are secular or religious celebrations that highlight the calendar year, including the Modern Music Festival of Corroios and Seixal Jazz. But, the primary event of the social year is the Avante! Festival , the annual festival of Portuguese Communist Party , that attracts hundreds of thousands of visitors. The event consists of

5376-410: The concept of colonial claiming of "discovery" over their lands and people, as forced and negating indigenous presence. The period alternatively called the Age of Exploration , has been scrutinized through reflections on the exploration . Its understanding and use, has been discussed as being framed and used for colonial ventures, discrimination and exploitation , by combining it with concepts such as

5472-489: The county is the tourism. With a wide river front and a large area of tree mass, there are numerous business activities with potential for tourism and leisure. The Office of Business Support - GAE (Gabinete de Apoio ao Empresário), inserted into the GAE Network of Setubal, can support routing of investment through support provided by trained personnel. Here you can learn about business creation, licensing, support and investment incentives, camarários requirements, suitable sites for

5568-414: The development of the municipality, such as the Fábrica de Vidros da Amora ( Amora Glass Factory , the Companhia de Lanifícios da Arrentela ( Arrentela Wool Co. ), the Mundet Cork Factory in Seixal; and the cod drying buildings on the Ponta dos Corvos. These early factory installations transformed the municipality from a rural outpost into an industrial centre, eventually resulting in the installation of

5664-408: The early 15th century. The tributary relations promoted during the voyages manifested a trend toward cross-regional interconnections and early globalization in Asia and Africa. Diplomatic relations were built on mutually beneficial maritime trade and China's strong naval presence in foreign waters, with Chinese naval superiority being a key factor in these interactions. The voyages brought about

5760-413: The emperor's death, as the Chinese lost interest in what they termed barbarian lands, turning inward, and successor emperors felt the expeditions were harmful to the Chinese state; Hongxi Emperor ended further expeditions and Xuande Emperor suppressed much of the information about Zheng He's voyages. From the 8th until the 15th century, the Republic of Venice and neighboring maritime republics held

5856-430: The expansion of geographical knowledge and empirical science . "It saw also the first major victories of empirical inquiry over authority, the beginnings of that close association of science, technology, and everyday work which is an essential characteristic of the modern western world." Anthony Pagden draws on the work of Edmundo O'Gorman for the statement that "For all Europeans, the events of October 1492 constituted

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5952-405: The exploration of the coast of Africa. This was an existing Iberian ship type, used for fishing, commerce and military purposes. Unlike other vessels of the time, the caravel had a sternpost-mounted rudder (as opposed to a side-mounted steering oar). It had a shallow draft, which was helpful in exploring unknown coastlines. It had good sailing performance, with a windward ability that was notable by

6048-493: The first explorations. The Canary Islands , already known to the Genoese, were claimed as officially discovered under the patronage of the Portuguese, but in 1344 Castile disputed them, expanding their rivalry into the sea. To ensure their monopoly on trade, Europeans (beginning with the Portuguese) attempted to install a Mediterranean system of trade which used military might and intimidation, to divert trade through ports they controlled; there it could be taxed. In 1415, Ceuta

6144-622: The gaze", what was revealed existed previously. Few Europeans during the period used the term "invention" for the European encounters, with the exception of Martin Waldseemüller , whose map first used the term " America ". A central legal concept of the discovery doctrine , expounded by the US Supreme Court in 1823, draws on assertions of European powers' right to claim land during their explorations. The concept of "discovery" has been used to enforce colonial claiming and discovery, but has been challenged by indigenous peoples and researchers. Many indigenous peoples have fundamentally challenged

6240-409: The idea that the Indian Ocean was landlocked. A prelude to the Age of Discovery was a series of European expeditions crossing Eurasia by land in the late Middle Ages. The Mongols had threatened Europe, but Mongol states also unified much of Eurasia and, from 1206 on, the Pax Mongolica allowed safe trade routes and communication lines from the Middle East to China. The close Italian links to

6336-435: The initiative of party members and youth volunteers. Seixalíada is the community's annual sporting event bringing together the region's athletes in various sporting activities from track to water event, forming a mini-Olympiad. Age of Discovery The Age of Discovery ( c.  1418  – c.  1620 ), also known as the Age of Exploration , was part of the early modern period and largely overlapped with

6432-402: The installation of economic activities and interpretation of PDM - Municipal Master Plan, as well as other information about the business. The principal road network that crosses the municipality, guarantees the connections north to Almada and Lisbon, some 15 kilometres (9.3 mi) away, in addition to Setúbal, including the A2 motorway . The A33 motorway also constitutes a vital variant along

6528-401: The interconnecting of river and sea trade routes. Before the 12th century, an obstacle to trade east of the Strait of Gibraltar , which divided the Mediterranean from the Atlantic Ocean, was Muslim control of territory, including the Iberian Peninsula and the trade monopolies of Christian city-states on the Italian Peninsula, especially Venice and Genoa . Economic growth of Iberia followed

6624-518: The interior of the Americas, and some of the South Pacific islands. Their main objective was to disrupt Portuguese trade in the East. From 1495, the French, English, and Dutch entered the race of exploration, after learning of Columbus' exploits, defying the Iberian monopoly on maritime trade by searching for new routes. The first expedition was John Cabot in 1497 to the north, in the service of England, followed by French expeditions to South America and later to North America. Later expeditions went to

6720-438: The last. The fleets visited Arabia , East Africa , India , Malay Archipelago and Thailand (then called Siam ), exchanging goods along the way. They presented gifts of gold, silver, porcelain and silk ; in return, received such novelties as ostriches , zebras , camels , ivory and giraffes . After the emperor's death, Zheng He led a final expedition departing from Nanking in 1431 and returning to Beijing in 1433. It

6816-407: The local economy, with the small and medium logistics and service industries established in modern industrial parks: there are roughly 15,000 companies. Approximately 556 hectares of the municipality (or 6.2% of the area) is occupied by economic activities, with the municipal planning authority adding an additional 364 hectares (3.8%) to industry. Two of the most recent investment catchment operations

6912-654: The maritime expeditions of Portugal to the Canary Islands in 1336, and later with the Portuguese discoveries of the Atlantic archipelagos of Madeira and Azores , the coast of West Africa in 1434, and the establishment of the sea route to India in 1498 by Vasco da Gama , which initiated the Portuguese maritime and trade presence in Kerala and the Indian Ocean . During the Age of Discovery, Spain sponsored and financed

7008-472: The mercantile situation in the east Mediterranean, was the waning of Christian Byzantine naval power following the death of Emperor Manuel I Komnenos in 1180, whose dynasty had made notable treaties and concessions with Italian traders, permitting the use of Byzantine Christian ports. The Norman Conquest of England, in the late 11th century, allowed for peaceful trade on the North Sea . The Hanseatic League ,

7104-501: The monopoly of European trade with the Middle East. The silk and spice trade , involving spices, incense , herbs, drugs and opium , made these Mediterranean city-states phenomenally rich. Spices were among the most expensive and demanded products of the Middle Ages, as they were used in medieval medicine , religious rituals, cosmetics, perfumery, as well as food additives and preservatives. They were all imported from Asia and Africa. Muslim traders dominated maritime routes throughout

7200-520: The municipal population continued to grow with development, after the 1970s there was a boom in the population, due to improvements in accessibility and mobility, principally due to public transport, its location to Lisbon and installation of economic activities within the territory. This growth transformed, in a short time, from a territory predominantly rural into an urban municipality, consisting of agglomerations of large dimensions focusing on various establishments and social centres. This growth resulted in

7296-421: The municipality of Seixal was newly instituted. As a consequence, by the 18th century, the municipality became an aristocratic retreat for the nobility in nearby Lisbon, resulting in the construction several vacation properties or villas, such as Quinta da Fidalga, Quinta do Alamo, Quinta da Trindade, Quinta de São Pedro and Quinta de Cheiraventos. Around the bay there are several factories that were important in

7392-655: The opening of maritime routes to the Indies and the European colonization of the Americas by the Spanish and Portuguese , later joined by the English , French and Dutch , spurred in the International global trade . The interconnected global economy of the 21st century has its origins in the expansion of trade networks during this era. The exploration also created colonial empires and marked an increased adoption of colonialism as

7488-521: The peninsula of Setúbal and is part of the metropolitan area of Lisbon. The municipality is bordered to the east by the municipality of Barreiro , south by Sesimbra , west by Almada (with which it has a strong affinity) and the north by the Tagus estuary, through which connects to Lisbon. The Bay of Seixal is part of the Tagus River Estuary, that is fed by several rivers and confluents that extend to

7584-541: The period of the Portuguese Age of Discovery ). A land of fishermen and signeurial holdings, the municipality of Seixal evolved over the centuries, always with the connection to the river. It was across the Tagus that many of the region's products (fishe, cereals, salt, olive oil, wine and fruits) were exported to the regional capital. In the 15th century, due to its prime location, various dockyards and shipbuilders began constructing river boats and trans-Atlantic ships. At

7680-465: The same time, the tides of the region were used to develop mills, such as the tidal mill in Corroios in 1403, fostering various the millers, caulkers and carpenters along the river. It was in Seixal that the brothers Vasco da Gama and Paulo da Gama built vessels for the trip to India. While Vasco da Gama was in Lisbon to prepare the trip, Paulo da Gama commanded carpenters and caulkers in the construction of

7776-438: The sea; classified as a Reserva Ecológica Nacional ( National Ecological Reserve ), the bay and small tributaries are part of one of the most important humid zones in Portugal, supporting an elevated biodiversity and exceptional landscape. Seixal is one of the eight municipalities with the most inhabitants in Portugal, and is composed of four parishes occupying a territory of 95 square kilometres (37 sq mi): Although

7872-477: The ships. Estevão da Gama , the father of the brothers, was commander of Seixal. The construction of the ships was the beginning of what is known as the Portuguese Discoveries . The settlement at this time was actually a part of the parish of Arrentela, then a division of Almada. At the beginning of the 16th century, the population of the territory numbers three dozen homes, and by the 18th century there

7968-531: The south like the supposed long-lost Christian kingdom of Prester John and probe whether it was possible to reach the Indies by sea, the source of the lucrative spice trade . He invested in sponsoring voyages down the coast of Mauritania , gathering a group of merchants, shipowners and stakeholders interested in new sea lanes. Soon the Atlantic islands of Madeira (1419) and the Azores (1427) were reached. The expedition leader who established settlements on Madeira,

8064-446: The standards of the time. The lateen rig was less useful when sailing downwind – which explains Christopher Columbus ( Italian : Cristoforo Colombo ) re-rigging the Niña with square rig . For celestial navigation the Portuguese used the ephemerides , which experienced a remarkable diffusion in the 15th century. These were astronomical charts plotting the location of the stars over

8160-406: The steelmaker Siderurgia Nacional in 1961. In 1966, a bridge was inaugurated over the Tagus providing a direct, stable link to Lisbon. The civil parish of Corroios was created in 1976. On 27 May 1993, the parish of Fernão Ferro was established, following the division of the old parish of Arrentela; and on 20 May, the towns of Seixal and Amora evolved to the status of city. Seixal is situated on

8256-408: The treasure fleet sailed from and to China. For the first time, the maritime region from China to Africa was under the dominance of a single imperial power and allowed for the creation of a cosmopolitan space. These long-distance journeys were not followed up, as the Ming dynasty retreated in the haijin , a policy of isolationism , having limited maritime trade. Travels were halted abruptly after

8352-601: The unexplored ocean curves around toward the west, and running along by the regions to the south of Aethiopia and Libya and Africa, it mingles with the western sea (possible reference to the Atlantic Ocean)". European medieval knowledge about Asia beyond the reach of the Byzantine Empire was sourced in partial reports, often obscured by legends, dating back from the conquests of Alexander the Great and successors. Another source

8448-413: The view that had existed since Ptolemy that the Indian Ocean was land-locked . Based on many later stories of the phantom island known as Bacalao and the carvings on Dighton Rock some have speculated that Portuguese explorer João Vaz Corte-Real discovered Newfoundland in 1473, but the sources are considered unreliable. Portugal's Iberian rival, Castile , had begun to establish its rule over

8544-623: Was Giovanni da Pian del Carpine , dispatched by Pope Innocent IV to the Great Khan , who journeyed to Mongolia and back from 1241 to 1247. Russian prince Yaroslav of Vladimir , and his sons Alexander Nevsky and Andrey II of Vladimir , travelled to the Mongolian capital. Though having strong political implications, their journeys left no detailed accounts. Other travellers followed, like French André de Longjumeau and Flemish William of Rubruck , who reached China through Central Asia. Marco Polo ,

8640-769: Was conquered by the Portuguese aiming to control navigation of the African coast. The young prince Henry the Navigator was there and became aware of profit possibilities in the trans-Saharan trade routes. For centuries slave and gold trade routes linking West Africa with the Mediterranean passed over the Western Sahara Desert, controlled by the Moors of North Africa. Henry wished to know how far Muslim territories in Africa extended, hoping to bypass them and trade directly with West Africa by sea, find allies in legendary Christian lands to

8736-525: Was Portuguese explorer João Gonçalves Zarco . Europeans did not know what lay beyond Cape Non ( Cape Chaunar ) on the African coast, and whether it was possible to return once it was crossed. Nautical myths warned of oceanic monsters or an edge of the world, but Henry's navigation challenged such beliefs: starting in 1421, systematic sailing overcame it, reaching the difficult Cape Bojador that in 1434 one of Henry's captains, Gil Eanes , finally passed. From 1440 onwards, caravels were extensively used for

8832-500: Was a population of 400 inhabitants. After the Liberal revolution, during the administrative reforms of 1836, during the reign of Queen Maria II of Portugal , Seixal obtained the status of municipality. A few years later (1895), this status, was extinguished. At that time Amora was integrated into the municipality of Almada, while Arrentela, Aldeia de Paio Pires and Seixal was annexed into the municipality of Barreiro . Yet, three years later

8928-470: Was barely known and only trade links with the Maritime republics , Venice especially, fostered the collection of accurate maritime knowledge. Indian Ocean trade routes were sailed by Arab traders. By 1400, a Latin translation of Ptolemy 's Geographia reached Italy from Constantinople. The rediscovery of Roman geographical knowledge was a revelation, both for map-making and worldview, although reinforcing

9024-502: Was especially impactful as no other polity had exerted naval dominance over all sectors of the Indian Ocean, prior to these voyages. The Ming promoted alternative nodes as a strategy to establish control over the network. For instance, due to Chinese involvement, ports such as Malacca (in Southeast Asia), Cochin (Malabar Coast), and Malindi (Swahili Coast) had grown as key alternatives to other established ports. The appearance of

9120-510: Was largely a backwater compared to the Arab world, which conquered and incorporated large territories in the Middle East and North Africa. The Christian Crusades to retake the Holy Land , from the Muslims, were not a military success, but did bring Europe into contact with the Middle East and the valuable goods manufactured or traded there. From the 12th century, the European economy was transformed by

9216-687: Was the Radhanite Jewish trade networks of merchants established as go-betweens between Europe and the Muslim world during the time of the Crusader states . In 1154, the Arab geographer Muhammad al-Idrisi created a description of the world and a world map , the Tabula Rogeriana , at the court of King Roger II of Sicily , but still Africa was only partially known to either Christians, Genoese and Venetians, or

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