The drilling site of the North Greenland Ice Core Project (NGRIP or NorthGRIP) is near the center of Greenland (75.1 N, 42.32 W, 2917 m, ice thickness 3085). Drilling began in 1999 and was completed at bedrock in 2003. The cores are cylinders of ice 11 centimeters in diameter that were brought to the surface in 3.5-meter lengths. The NGRIP site was chosen to extract a long and undisturbed record stretching into the last glacial , and it succeeded. The site was chosen for a flat basal topography to avoid the flow distortions that render the bottom of the GRIP and GISP cores unreliable. Unusually, there is melting at the bottom of the NGRIP core – believed to be due to a high geothermal heat flux locally. This has the advantage that the bottom layers are less compressed by thinning than they would otherwise be: NGRIP annual layers at 10.5 kyr age are 1.1 cm thick, twice the GRIP thicknesses at equal age.
94-582: The NGRIP record helps to resolve a problem with the GRIP and GISP2 records – the unreliability of the Eemian Stage portion of the record. NGRIP covers 5 kyr of the Eemian, and shows that temperatures then were roughly as stable as the pre-industrial Holocene temperatures were. This is confirmed by sediment cores, in particular MD95-2042. In 2003, NGRIP recovered what seem to be plant remnants nearly two miles below
188-669: A nobility , which played a key social and political role during the Middle Ages . It was under the Visigoths that the Church began to play an important part within the state. As the Visigoths did not learn Latin from the local people, they had to rely on bishops to continue the Roman system of governance. The laws were made by councils of bishops, and the clergy emerged as a high-ranking class. Today's continental Portugal, along with most of modern Spain,
282-618: A transcontinental nation and not a colonial empire. Pro-Indian residents of Dadra and Nagar Haveli , separated those territories from Portuguese rule in 1954. In 1961, Fort of São João Baptista de Ajudá 's annexation by the Republic of Dahomey was the start of a process that led to the dissolution of the centuries-old Portuguese Empire. Another forcible retreat occurred in 1961 when Portugal refused to relinquish Goa . The Portuguese were involved in armed conflict in Portuguese India against
376-764: A career as the Portuguese Ambassador in London, later in Vienna. King Joseph I was crowned in 1750 and made him his Minister of Foreign Affairs. As the King's confidence in Carvalho e Melo increased, he entrusted him with more control of the state. By 1755, Carvalho e Melo was made prime minister. Impressed by British economic success witnessed as Ambassador, he successfully implemented similar economic policies in Portugal. In 1761, during
470-483: A distinct capital and governor. The main cities were in the southern half of the country: Beja , Silves , Alcácer do Sal , Santarém and Lisbon . The Muslim population consisted mainly of native Iberian converts to Islam and Berbers . The Arabs (mainly noblemen from Syria ) although a minority, constituted the elite. The Berbers who joined them, were nomads from the Rif Mountains of North Africa. Invasions from
564-660: A federation contract with Emperor Honorius , many of these people settled in Hispania . An important group was made up of the Suebi and Vandals in Gallaecia , who founded a Suebi Kingdom with its capital in Braga . They came to dominate Aeminium ( Coimbra ) as well, and there were Visigoths to the south. The Suebi and the Visigoths were the Germanic tribes who had the most lasting presence in
658-578: A line west of the Cape Verde islands, off the west coast of Africa. In 1498 Vasco da Gama became the first European to reach India by sea, bringing economic prosperity to Portugal and helping to start the Portuguese Renaissance . In 1500, the Portuguese explorer Gaspar Corte-Real reached what is now Canada and founded the town of Portugal Cove-St. Philip's , one of many Portuguese colonies of
752-611: A result of mixing of Last Interglacial ice with ice from the preceding or succeeding glacial intervals. The warmest peak of the Last Interglacial was around 125,000 years ago, when forests reached as far north as North Cape, Norway (which is now tundra ) well above the Arctic Circle at 71°10′21″N 25°47′40″E / 71.17250°N 25.79444°E / 71.17250; 25.79444 . Hardwood trees such as hazel and oak grew as far north as Oulu , Finland. At
846-566: A single railway. The government of Portugal quietly accepted the ultimatum and withdrew their forces from the disputed area, leading to a widespread backlash among the Portuguese public, who viewed acceptance of the British demands as a humiliation. On 5 October 1910, a coup d'état overthrew the near 800 year-old Monarchy and the Republic was proclaimed. During World War I, Portugal helped the Allies fight
940-718: Is a member of the United Nations , the European Union, the Schengen Area , and the Council of Europe , as well as a founding members of NATO , the eurozone , the OECD , and the Community of Portuguese Language Countries . The word Portugal derives from the combined Roman - Celtic place name Portus Cale (present-day's conurbation of Porto and Vila Nova de Gaia ). Porto stems from
1034-507: Is given by Lorié (1887), and Spaink (1958). Since their discovery, Last Interglacial beds in the Netherlands have mainly been recognized by their marine molluscan content combined with their stratigraphical position and other palaeontology. The marine beds there are often underlain by tills that are considered to date from the Saalian , and overlain by local fresh water or wind-blown deposits from
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#17328385005571128-575: Is located. Harting noticed the marine molluscan assemblages to be very different from the modern fauna of the North Sea . Many species from the Last Interglacial layers nowadays show a much more southern distribution, ranging from South of the Strait of Dover to Portugal ( Lusitanian faunal province) and even into the Mediterranean (Mediterranean faunal province). More information on the molluscan assemblages
1222-580: Is provided by Bosch, Cleveringa and Meijer, 2000. The Last Interglacial climate is believed to have been warmer than the current Holocene. The temperature of the Last Interglacial peaked during the early part of the period, around 128,000 to 123,000 years Before Present , before declining during the latter half of the period. Changes in the Earth's orbital parameters from today (greater obliquity and eccentricity, and perihelion), known as Milankovitch cycles , probably led to greater seasonal temperature variations in
1316-555: Is the 400,000-year-old Aroeira 3 H. Heidelbergensis skull discovered in the Cave of Aroeira in 2014. Later Neanderthals roamed the northern Iberian peninsula and a tooth has been found at Nova da Columbeira cave in Estremadura . Homo sapiens sapiens arrived in Portugal around 35,000 years ago and spread rapidly. Pre-Celtic tribes inhabited Portugal. The Cynetes developed a written language, leaving stelae , which are mainly found in
1410-462: Is the only other metropolitan area . The western part of the Iberian Peninsula has been continuously inhabited since prehistoric times , with the earliest signs of settlement dating to 5500 BCE . Celtic and Iberian peoples arrived in the first millennium BCE , with Phoenician and later Punic influence reaching the south during the same period. The region came under Roman control in
1504-851: The Age of Discovery under the sponsorship of Prince Henry the Navigator . Portugal explored the Atlantic, encountering the Azores , Madeira , and Portuguese Cape Verde , which led to the first colonization movements. The Portuguese explored the Indian Ocean , established trade routes in most of southern Asia, and sent the first direct European maritime trade and diplomatic missions to China ( Jorge Álvares ) and Japan ( Nanban trade ). In 1415, Portugal acquired its first colonies by conquering Ceuta , in North Africa. Throughout
1598-508: The American lion ( Panthera atrox ) appeared and become widespread across North America, having descended from populations of the Eurasian cave lion ( Panthera spelaea ) that had migrated into Alaska during the preceding Penultimate Glacial Period. The range of cold-adapted taxa like the woolly mammoth ( Mammuthus primigenius ) contracted towards refugia . Neanderthals managed to colonise
1692-448: The Battle of São Mamede , in the outskirts of Guimarães , in 1128, Afonso Henriques , Count of Portugal, defeated his mother Countess Teresa and her lover Fernão Peres de Trava , establishing himself as sole leader of the county . Afonso continued his father Henry of Burgundy's Reconquista wars. His campaigns were successful and in 1139, he obtained a victory in the Battle of Ourique , so
1786-480: The British government delivered an ultimatum to Portugal, demanding the withdrawal of Portuguese forces from the area between Portugal's colonies of Mozambique and Angola . The area had been claimed by Portugal as part of its colonialist Pink Map project, but Britain disputed these claims, mostly due to Cecil Rhodes ' aspirations to create a Cape to Cairo Railway , which was intended to link all British colonies via
1880-575: The Canadian Arctic Archipelago : currently, the northern limit is further south at Kuujjuaq in northern Quebec . Coastal Alaska was warm enough during the summer due to reduced sea ice in the Arctic Ocean to allow Saint Lawrence Island (now tundra) to have boreal forest, although inadequate precipitation caused a reduction in the forest cover in interior Alaska and Yukon Territory despite warmer conditions. The prairie-forest boundary in
1974-541: The Carnation Revolution of 1974 , and brought an end to the Portuguese Colonial War, allowing the last of Portugal’s African territories to achieve independence. Portugal's imperial history has left a cultural legacy , with around 300 million Portuguese speakers around the world. Today, it is a developed country with an advanced economy relying chiefly upon services, industry, and tourism. Portugal
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#17328385005572068-862: The Central Powers ; however the war hurt its weak economy. Political instability and economic weaknesses were fertile ground for chaos and unrest during the First Portuguese Republic . These conditions led to the failed Monarchy of the North , 28 May 1926 coup d'état , and creation of the National Dictatorship ( Ditadura Nacional ). This in turn led to the right-wing dictatorship of the Estado Novo (New State), under António de Oliveira Salazar in 1933. Portugal remained neutral in World War II . From
2162-466: The Companhia Geral de Pernambuco e Paraíba - whose main activity was the trafficking of slaves, mostly Africans, to Brazilian lands. He reorganized the army and navy and ended legal discrimination against different Christian sects. He created companies and guilds to regulate commercial activity and one of the first appellation systems by demarcating the region for production of Port to ensure
2256-687: The Continental System of embargo against the United Kingdom; a French invasion under General Junot followed, and Lisbon was captured in 1807. British intervention in the Peninsular War helped maintain Portuguese independence; the last French troops were expelled in 1812. Rio de Janeiro in Brazil was the Portuguese capital between 1808 and 1821. In 1820, constitutionalist insurrections took place at Porto and Lisbon. Lisbon regained its status as
2350-640: The Eemian , was the interglacial period which began about 130,000 years ago at the end of the Penultimate Glacial Period and ended about 115,000 years ago at the beginning of the Last Glacial Period . It corresponds to Marine Isotope Stage 5e . It was the second-to-latest interglacial period of the current Ice Age, the most recent being the Holocene which extends to the present day (having followed
2444-726: The Great Plains of the United States lay further west near Lubbock, Texas , whereas the current boundary is near Dallas . Interglacial conditions ended on Antarctica while the Northern Hemisphere was still experiencing warmth. Sea level at peak was probably 6 to 9 metres (20 to 30 feet) higher than today, with Greenland contributing 0.6 to 3.5 m (2.0 to 11.5 ft), thermal expansion and mountain glaciers contributing up to 1 m (3.3 ft), and an uncertain contribution from Antarctica. A 2007 study found evidence that
2538-715: The Indian Armed Forces . The operations resulted in the defeat and loss of the remaining Portuguese territories in the Indian subcontinent . The Portuguese regime refused to recognize Indian sovereignty over the annexed territories, which continued to be represented in the National Assembly until the coup of 1974. Also in the early 1960s the independence movements in the Portuguese provinces of Portuguese Angola , Portuguese Mozambique , and Portuguese Guinea in Africa, resulted in
2632-454: The Jesuits were suppressed and expelled . This crushed opposition by publicly demonstrating even the aristocracy was powerless before Pombal. Further titled "Marquês de Pombal" in 1770, he ruled Portugal until Joseph I's death in 1777. The new ruler, Queen Maria I of Portugal , disliked Pombal because of his excesses, and upon her accession to the throne, withdrew all his political offices. Pombal
2726-660: The Moluccas . Although it was believed the Dutch were the first Europeans to arrive in Australia, there is evidence the Portuguese may have discovered it in 1521. Between 1519 and 1522 Ferdinand Magellan organized a Spanish expedition to the East Indies which resulted in the first circumnavigation of the globe. The Treaty of Zaragoza , signed in 1529 between Portugal and Spain, divided
2820-575: The North Atlantic Current , lasting hundreds of years and causing temperature drops of a few degrees and vegetation changes in these regions. In Northern Europe, winter temperatures rose over the course of the Last Interglacial while summer temperatures fell. During an insolation maximum from 133,000 to 130,000 BP, meltwater from the Dnieper and Volga caused the Black and Caspian Seas to connect. During
2914-536: The Portuguese Colonial War (lasting from 1961 till 1974). The war mobilized around 1.4 million men for military or for civilian support service, and led to large casualties. Throughout the colonial war period Portugal dealt with increasing dissent, arms embargoes and other punitive sanctions imposed by the international community. The authoritarian and conservative Estado Novo regime, first governed by Salazar and from 1968 by Marcelo Caetano , tried to preserve
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3008-695: The Treaty of Zamora in 1143. During the Age of Discovery , the Kingdom of Portugal established itself as a major economic and political power, largely through its maritime empire, which extended mostly along the South Atlantic and Indian Ocean coasts. Portuguese explorers and merchants were instrumental in establishing trading posts and colonies that enabled control over spices and slave trades. While Portugal expanded its influence globally, its political and military power faced internal and external challenges towards
3102-514: The Weichselian . In contrast to e.g. the deposits in Denmark, the Last Interglacial deposits in the type area have never been found overlain by tills, nor in ice-pushed positions. Van Voorthuysen (1958) described the foraminifera from the type site, whereas Zagwijn (1961) published the palynology , providing a subdivision of this stage into pollen stages. At the end of the 20th century, the type site
3196-475: The global wave of megafauna extinctions that occurred during the following Last Glacial Period, has been suggested as a "baseline" reference point for the analysis and restoration of modern European ecosystems. Following the melting of the Laurentide Ice Sheet , a number of North American megafauna species migrated northwards to inhabit northern Canada and Alaska during the Last Interglacial, including
3290-485: The last glacial period ). During the Last Interglacial, the proportion of CO 2 in the atmosphere was about 280 parts per million. The Last Interglacial was one of the warmest periods of the last 800,000 years, with temperatures comparable to and at times warmer (by up to on average 2 degrees Celsius) than the contemporary Holocene interglacial, with the maximum sea level being up to 6 to 9 metres higher than at present, with global ice volume likely also being smaller than
3384-669: The "absolutist" faction of landowners and the church to proclaim Miguel king in February 1828. This led to the Liberal Wars , also known as the War of the Two Brothers or the Portuguese Civil War , in which Pedro forced Miguel to abdicate and go into exile in 1834 and place his daughter on the throne as Queen Maria II of Portugal . After 1815 the Portuguese expanded their trading ports along
3478-442: The 15th century, Portuguese explorers sailed the coast of Africa, establishing trading posts for commodities , ranging from gold to slavery . Portugal sailed the Portuguese India Armadas to Goa via the Cape of Good Hope . The Treaty of Tordesillas of 1494 was intended to resolve a dispute created following the return of Christopher Columbus and divided the newly located lands outside Europe between Portugal and Spain along
3572-421: The 1940s to 1960s, Portugal was a founding member of NATO , OECD , the European Free Trade Association (EFTA) and joined the United Nations in 1955. New economic development projects and relocation of mainland Portuguese citizens into the overseas provinces in Africa were initiated, with Angola and Mozambique being the main targets of those initiatives. These actions were used to affirm Portugal's status as
3666-414: The 7th and 8th centuries, and by the 9th century, it was used to refer to the region between the rivers Douro and Minho . By the 11th and 12th centuries, Portugale , Portugallia , Portvgallo or Portvgalliae was already referred to as Portugal . The region has been inhabited by humans since circa 400,000 years ago, when Homo heidelbergensis entered the area. The oldest human fossil found in Portugal
3760-440: The African coast, moving inland to take control of Angola and Mozambique. The slave trade was abolished in 1836. In Portuguese India , trade flourished in the colony of Goa , with its subsidiary colonies of Macau , near Hong Kong, and Timor , north of Australia. The Portuguese successfully introduced Catholicism and the Portuguese language into their colonies, while most settlers continued to head to Brazil. On 11 January 1890,
3854-470: The Alps, conditions were 1–2 °C cooler than today. The model (generated using observed greenhouse gas concentrations and Last Interglacial orbital parameters) generally reproduces these observations, leading them to conclude that these factors are enough to explain the Last Interglacial temperatures. Meltwater pulse 2B, approximately 133,000 BP, substantially weakened the Indian Summer Monsoon (ISM). Trees grew as far north as southern Baffin Island in
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3948-434: The American camel Camelops hesternus , mastodons (genus Mammut ) the large ground sloth Megalonyx jeffersonii , and the bear sized giant beaver Castoroides , with the lower latitudes of Canada being inhabited (in addition to the aformentioned taxa) by species like Columbian mammoth ( Mammuthus columbi ), stag-moose ( Cervalces ), and the llama Hemiauchenia . The steppe bison ( Bison priscus ) migrated into
4042-440: The Americas . In 1500, Pedro Álvares Cabral landed on Brazil and claimed it for Portugal. Ten years later, Afonso de Albuquerque conquered Goa in India, Muscat and Ormuz in the Persian Strait , and Malacca , now in Malaysia. Thus, the Portuguese empire held dominion over commerce in the Indian Ocean and South Atlantic. Portuguese sailors set out to reach Eastern Asia, landing in Taiwan , Japan, Timor , Flores , and
4136-422: The Christian kingdoms of the north. Most of present-day Portugal fell into the hands of the Taifa of Badajoz of the Aftasid Dynasty , and in 1022 the Taifa of Seville of the Abbadids poets. The Taifa period ended with the conquest of the Almoravids in 1086, then by the Almohads in 1147. Al-Andaluz was divided into districts called Kura . Gharb Al-Andalus at its largest consisted of ten kuras, each with
4230-411: The Far East, resulting in the loss of Portugal's Indian sea trade monopoly. In 1640 John IV of Portugal spearheaded an uprising backed by disgruntled nobles and was proclaimed king. The Portuguese Restoration War ended the 60-year period of the Iberian Union under the House of Habsburg . This was the beginning of the House of Braganza , which reigned until 1910. John V saw a reign characterized by
4324-470: The Greenland ice core site Dye 3 was glaciated during the Last Interglacial, which implies that Greenland could have contributed at most 2 m (6.6 ft) to sea level rise . Recent research on marine sediment cores offshore of the West Antarctic Ice Sheet suggest that the sheet melted during the Last Interglacial, and that ocean waters rose as fast as 2.5 meters per century. Global mean sea surface temperatures are thought to have been higher than in
4418-428: The Holocene interglacial. The Last Interglacial is known as the Eemian in northern Europe (sometimes used to describe the global interglacial), Ipswichian in Britain, the Mikulino (also spelled Milukin) interglacial in Russia, the Kaydaky in Ukraine, the Valdivia interglacial in Chile , and the Riss-Würm interglacial in the Alps . Depending on how a specific publication defines the Sangamonian Stage of North America,
4512-435: The Holocene, but not by enough to explain the rise in sea level through thermal expansion alone, and so melting of polar ice caps must also have occurred. Because of the sea level drop since the Last Interglacial, exposed fossil coral reefs are common in the tropics, especially in the Caribbean and along the Red Sea coastlines. These reefs often contain internal erosion surfaces showing significant sea level instability during
4606-446: The Last Interglacial is equivalent to either all or part of it. The period falls into the Middle Paleolithic and is of some interest for the evolution of anatomically modern humans , who were present in Western Asia ( Skhul and Qafzeh hominins ) as well as in Southern Africa by this time, representing the earliest split of modern human populations that persists to the present time (associated with mitochondrial haplogroup L0 ). As
4700-431: The Last Interglacial. Along the Central Mediterranean Spanish coast, sea levels were comparable to those of the present. Scandinavia formed an island due to the area between the Gulf of Finland and the White Sea being drowned. Vast areas of northwestern Europe and the West Siberian Plain were inundated. The warmness of the interval allowed temperate-adapted taxa to extend their range considerably northward, with
4794-437: The Latin for port , portus ; Cale ' s meaning and origin is unclear. The mainstream explanation is an ethnonym derived from the Callaeci, also known as the Gallaeci peoples, who occupied the north-west of the Iberian Peninsula . One theory proposes Cale is a derivation of the Celtic word for 'port'. Another is that Cala was a Celtic goddess. Some French scholars believe it may have come from Portus Gallus ,
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#17328385005574888-427: The Moors. In 1249, the Reconquista ended with the capture of the Algarve and expulsion of the last Moorish settlements. With minor readjustments, Portugal's territorial borders have remained the same, making it one of the oldest established nations in Europe. After a conflict with the kingdom of Castile , Denis of Portugal signed the Treaty of Alcañices in 1297 with Ferdinand IV of Castile. This treaty established
4982-416: The North also occurred in this period, with Viking incursions raiding the coast between the 9th and 11th centuries, including Lisbon. This resulted in the establishment of small Norse settlements in the coastline between Douro and Minho . The Reconquista was a period when Christians reconquered the Iberian Peninsula from Moorish domination. An Asturian Visigothic noble named Pelagius of Asturias
5076-436: The Northern Hemisphere. As the Last Interglacial cooled, p CO 2 remained stable. During the northern summer, temperatures in the Arctic region were about 2–4 °C higher than in 2011. The Arctic Last Interglacial climate was highly unstable, with pronounced temperature swings revealed by δ O fluctuations in Greenlandic ice cores, though some of the instability inferred from Greenland ice core project records may be
5170-403: The Pacific Ocean between Spain and Portugal. Portugal voluntarily entered a dynastic union (1580–1640) because the last two kings of the House of Aviz died without heirs, resulting in the Portuguese succession crisis of 1580 . Philip II of Spain claimed the throne and was accepted as Philip I of Portugal. Portugal did not lose its formal independence, forming a union of kingdoms. But
5264-519: The Roman conquest. In southern Portugal, some small, semi-permanent commercial coastal settlements were also founded by Phoenician-Carthaginians. Romans first invaded the Iberian Peninsula in 219 BC. The Carthaginians, Rome's adversary in the Punic Wars , were expelled from their coastal colonies. During Julius Caesar 's rule, almost the entire peninsula was annexed to Rome. The conquest took two hundred years and many died, including those sentenced to work in slave mines or sold as slaves to other parts of
5358-429: The border between the kingdoms of Portugal and Leon. The reigns of Denis, Afonso IV , and Peter I mostly saw peace with the other kingdoms of Iberia. In 1348-49 Portugal, as with the rest of Europe, was devastated by the Black Death . In 1373, Portugal made an alliance with England , the oldest standing alliance in the world. In 1383 John I of Castile , Beatrice of Portugal , and Ferdinand I of Portugal claimed
5452-531: The capital of Portugal when Brazil declared its independence in 1822. The death of King John VI in 1826 led to a crisis of royal succession. His eldest son, Pedro I of Brazil , briefly became Pedro IV of Portugal , but neither the Portuguese nor Brazilians wanted a unified monarchy; consequently, Pedro abdicated the Portuguese crown in favor of his 7-year-old daughter, Maria da Glória , on the condition that when she came of age she would marry his brother, Miguel . Dissatisfaction at Pedro's constitutional reforms led
5546-408: The earthquake, Joseph I gave his prime minister more power, and Carvalho de Melo became an enlightened despot . In 1758 Joseph I was wounded in an attempted assassination. The Marquis of Távora , several members of his family and even servants were tortured and executed in public with extreme brutality (even by the standards of the time), as alleged part of the Távora affair . The following year,
5640-408: The empire. Roman occupation suffered a setback in 155 BC, when a rebellion began in the north. The Lusitanians and other native tribes, under the leadership of Viriathus , wrested control of all of western Iberia. Rome sent legions to quell the rebellion but were unsuccessful. Roman leaders bribed Viriathus's allies to kill him in 139 BC; he was replaced by Tautalus . In 27 BC, Lusitania gained
5734-427: The end of the 16th century. The dynastic crisis marked the beginning of the country's political decline that led to the Iberian Union (1580-1640), a period in which Portugal was united under Spanish rule. While maintaining a degree of self-governance, the union strained Portugal’s autonomy and drew it into conflicts with European powers which targeted Portuguese territories and trade routes. Portugal's prior opulence
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#17328385005575828-436: The first cities he founded is Vimaranes, known today as Guimarães – "birthplace of the Portuguese nation" or the "cradle city". After annexing the County of Portugal into one of the counties that made up the Kingdom of Asturias , King Alfonso III of Asturias knighted Vímara Peres, in 868, as the First Count of Portus Cale (Portugal). The region became known as Portucale , Portugale , and simultaneously Portugália . With
5922-403: The forced abdication of Alfonso III in 910, the Kingdom of Asturias split into three separate kingdoms; they were reunited in 924 under the crown of León . In 1093 Alfonso VI of León bestowed the county to Henry of Burgundy and married him to his daughter, Teresa of León . Henry thus became Henry, Count of Portugal and based his newly formed county from Bracara Augusta (modern Braga ). At
6016-400: The heartlands of North America from Alaska at the beginning of the Last Interglacial, giving rise to the giant long-horned bison Bison latifrons (which is first known from the Snowmass site in Colorado, dating to around 120,000 years ago) and ultimately all North American bison species, and marking the beginning of the Rancholabrean faunal age in North America. Also during this time period
6110-448: The higher latitudes of Europe during this time interval, after having retreated from the region due to unfavourable conditions during the Penultimate Glacial Period. However, unlike previous interglacials, they were absent from Britain, likely due to Britain being an island during this time. During the Last Interglacial, Neanderthals engaged in a variety of food-gathering activities, including fishing, as well as big-game hunting, including
6204-503: The influx of gold into the royal treasury, supplied largely by the royal fifth (tax on precious metals) from the Portuguese colonies of Brazil and Maranhão . Most estimates place the number of Portuguese migrants to Colonial Brazil during the gold rush of the 18th century at 600,000. This represented one of the largest movements of European populations to their colonies, during colonial times. In 1738 Sebastião José de Carvalho e Melo , later ennobled as 1st Marquis of Pombal , began
6298-503: The joining of the two crowns deprived Portugal of an independent foreign policy, and led to its involvement in the Eighty Years' War between Spain and the Netherlands. War led to a deterioration of relations with Portugal's oldest ally, England , and the loss of Hormuz , a strategic trading post located between Iran and Oman . From 1595 to 1663 the Dutch-Portuguese War primarily involved Dutch companies invading Portuguese colonies and commercial interests in Brazil, Africa, India and
6392-445: The largest animals living in Europe at the time, straight-tusked elephants. Modern humans were present outside Africa in Arabia during this interval, as far east as the Persian Gulf . Portugal – in Europe (green & dark grey) – in the European Union (green) Portugal , officially the Portuguese Republic , is a country in the Iberian Peninsula in Southwestern Europe . Featuring
6486-427: The liberation during the Peninsular War , Portugal endured a period marked by a civil war between liberals and absolutists from 1828 to 1834. The monarchy was overthrown in the 1910 revolution, which led to the establishment of the Portuguese First Republic . A phase of unrest ultimately led to the rise of authoritarian regimes of the Ditadura Nacional and the Estado Novo . Democracy was finally restored following
6580-464: The local inhabitants. St. Martin of Braga was a particularly influential evangelist. In 429, the Visigoths moved south to expel the Alans and Vandals and founded a kingdom with its capital in Toledo . From 470, conflict between the Suebi and Visigoths increased. In 585, the Visigothic King Liuvigild conquered Braga and annexed Gallaecia; the Iberian Peninsula was unified under a Visigothic Kingdom . A new class emerged, unknown in Roman times:
6674-401: The middle of the Last Interglacial, a weakened Atlantic Meridional Overturning Circulation (AMOC) began to cool the eastern Mediterranean region. The period closed as temperatures steadily fell to conditions cooler and drier than the present, with a 468-year-long aridity pulse in central Europe at about 116,000 BC, and by 112,000 BC, ice caps began to form in southern Norway, marking
6768-453: The most recent point in time with a climate comparable to the Holocene, the Last Interglacial is also of relevance as a point of reference ( baseline ) for nature conservation. The Last Interglacial was first recognized from boreholes in the area of the city of Amersfoort , Netherlands , by Pieter Harting (1875). He named the beds "Système Eémien", after the river Eem on which Amersfoort
6862-571: The peak of the Last Interglacial, the Northern Hemisphere winters were generally warmer and wetter than now, though some areas were actually slightly cooler than today. A cooling event similar to but not exactly mirroring the 8.2-kiloyear event is recorded from Beckentin during the E5 phase of the Eemian, some 6,290 years after the start of interglacial afforestation. A 2018 study based on soil samples from Sokli in northern Finland identified abrupt cold spells ca. 120,000 years ago caused by shifts in
6956-635: The port of the Gauls. Around 200 BC, the Romans took Iberia from the Carthaginians during the Second Punic War . In the process they conquered Cale, renaming it Portus Cale ('Port of Cale') and incorporating it into the province of Gallaecia . During the Middle Ages , the region around Portus Cale became known by the Suebi and Visigoths as Portucale . The name Portucale changed into Portugale during
7050-1034: The range of the hippopotamus ( Hippopotamus amphibius ) notably extending as far north as North Yorkshire in northern England, though their range outside of southern Europe did not extend much further east of than the Rhine . The temperate landscapes of Europe were inhabited by large now extinct megafauna including the straight-tusked elephant ( Palaeoloxodon antiquus ), the narrow-nosed rhinoceros ( Stephanorhinus hemitoechus ), Merck's rhinoceros ( Stephanorhinus kirchbergensis ), Irish elk ( Megaloceros giganteus ) and aurochs ( Bos primigenius ), alongside still-living species like red deer ( Cervus elaphus ), fallow deer ( Dama dama ), roe deer ( Capreolus capreolus ) and wild boar ( Sus scrofa ), with predators including lions (the extinct Panthera spelaea ) and cave hyenas ( Crocuta ( Crocuta ) spelaea ), brown bears ( Ursus arctos ) and wolves ( Canis lupus ). The Last Interglacial ecosystems of Europe, which existed prior to
7144-542: The reign of King José I, he banned the import of black slaves into mainland Portugal and India, not for humanitarian reasons, but because they were a necessary work force in Brazil. At the same time, he encouraged the trade of black slaves ("the pieces", in the terms of that time) to that colony, and with the support and direct involvement of the Marquis of Pombal, two companies were founded - the Companhia do Grão-Pará e Maranhão and
7238-636: The second century BCE, followed by a succession of Germanic peoples and the Alans from the fifth to eighth centuries CE. Muslims conquered most of the Iberian Peninsula in the eighth century CE, but were gradually expelled by the Christian Reconquista over the next several centuries. Modern Portugal began taking shape during this period, initially as a county of the Christian Kingdom of León in 868, and ultimately as an independent Kingdom with
7332-430: The south. Early in the first millennium BC, several waves of Celts invaded Portugal from Central Europe and intermarried with the local populations to form several different ethnic groups. The Celtic presence is patent in archaeological and linguistic evidence. They dominated most of northern and central Portugal, while the south maintained its older character (believed non-Indo-European, likely related to Basque ) until
7426-568: The start of a new glacial period . The Eemian lasted about 1,500 to 3,000 years longer in Southern Europe than in Northern Europe. Kaspar et al. (GRL, 2005) performed a comparison of a coupled general circulation model (GCM) with reconstructed Last Interglacial temperatures for Europe. Central Europe (north of the Alps) was found to be 1–2 °C (1.8–3.6 °F) warmer than present; south of
7520-588: The status of Roman province . Later, a northern province was separated from the province of Tarraconensis , under Emperor Diocletian 's reforms, known as Gallaecia . There are still ruins of castros ( hill forts ) and remains of the Castro culture , like Conímbriga , Mirobriga and Briteiros . In 409, with the decline of the Roman Empire , the Iberian Peninsula was occupied by Germanic tribes . In 411, with
7614-515: The surface, and they may be several million years old. "Several of the pieces look very much like blades of grass or pine needles," said University of Colorado at Boulder geological sciences Professor James White, an NGRIP principal investigator. "If confirmed, this will be the first organic material ever recovered from a deep ice-core drilling project," he said. The original web page of the NGRIP project with field diaries and pictures. The NGRIP project
7708-700: The territories corresponding to modern Portugal. As elsewhere in Western Europe, there was a sharp decline in urban life during the Dark Ages . Roman institutions disappeared in the wake of the Germanic invasions with the exception of ecclesiastical organizations, which were fostered by the Suebi in the fifth century and adopted by the Visigoths afterwards. Although the Suebi and Visigoths were initially followers of Arianism and Priscillianism , they adopted Catholicism from
7802-510: The throne of Portugal. John of Aviz, later John I of Portugal , defeated the Castilians in the Battle of Aljubarrota , and the House of Aviz became the ruling house. The new ruling dynasty led Portugal to the limelight of European politics and culture. They created and sponsored literature, such as a history of Portugal, by Fernão Lopes . Portugal spearheaded European exploration of the world and
7896-565: The vast Umayyad Caliphate's empire of Damascus , until its collapse in 750. That year the west of the empire gained its independence under Abd-ar-Rahman I with the establishment of the Emirate of Córdoba . The Emirate became the Caliphate of Córdoba in 929, until its dissolution in 1031, into 23 small kingdoms, called Taifa kingdoms. The governors of the taifas proclaimed themselves Emir of their provinces and established diplomatic relations with
7990-578: The war of Christian reconquest. At the end of the 9th century, the region of Portugal between the rivers Minho and Douro, was reconquered from the Moors by nobleman and knight Vímara Peres on the orders of King Alfonso III of Asturias . Finding many towns deserted, he decided to repopulate and rebuild them. Vímara Peres elevated the region to the status of County , naming it the County of Portugal after its major port city – Portus Cale or modern Porto . One of
8084-607: The westernmost point in continental Europe , to its north and east is Spain, with which it shares the longest uninterrupted border in the European Union ; to the south and the west is the North Atlantic Ocean ; and to the west and southwest lie the Macaronesian archipelagos of the Azores and Madeira , which are two autonomous regions of Portugal . Lisbon is the capital and largest city , followed by Porto , which
8178-486: The wine's quality. This was the first attempt to control wine quality and production in Europe. He imposed strict law upon all classes of Portuguese society, along with a widespread review of the tax system. These reforms gained him enemies in the upper classes. Lisbon was struck by a major earthquake on November 1st 1755 , magnitude estimated to have been between 7.7–9.0, with casualties ranging from 12,000 to 50,000. Following
8272-441: Was banished to his estate at Pombal , where he died in 1782. Historians argue that Pombal's "enlightenment," while far-reaching, was primarily a mechanism for enhancing autocracy at the expense of individual liberty and especially an apparatus for crushing opposition, suppressing criticism, and furthering colonial exploitation and consolidating personal control, and profit. In 1807 Portugal refused Napoleon 's demand to accede to
8366-568: Was elected leader in 718 by many of the ousted Visigoth nobles. Pelagius called for the remnants of the Christian Visigothic armies to rebel against the Moors and regroup in the unconquered northern Asturian highlands, known today as the Cantabrian Mountains , in north-west Spain. After defeating the Moors in the Battle of Covadonga in 722, Pelagius was proclaimed king, thus founding the Christian Kingdom of Asturias and starting
8460-521: Was further exacerbated by a series of events, such as the Portuguese Restoration War and the 1755 Lisbon earthquake , which destroyed the city and damaged the empire's economy. The Napoleonic Wars motivated the Portuguese royal family to relocate to Brazil in 1807. This event reshaped the relationship between Portugal and Brazil, culminating in Brazilian independence in 1822 . Following
8554-624: Was invaded from the South and became part of al-Andalus between 726 and 1249, following the Umayyad Caliphate conquest of the Iberian Peninsula . This rule lasted decades in the North, up to five centuries in the South. After defeating the Visigoths in a few months, the Umayyad Caliphate started expanding rapidly in the peninsula. Beginning in 726, the land that is now Portugal became part of
8648-553: Was proclaimed King of Portugal by his soldiers. This is traditionally taken as the occasion when the County of Portugal became the independent Kingdom of Portugal and, in 1129, the capital city was transferred from Guimarães to Coimbra. Afonso was recognized as the first king of Portugal in 1143 by King Alfonso VII of León , and in 1179 by Pope Alexander III as Afonso I of Portugal. Afonso Henriques and his successors, aided by military monastic orders , continued pushing southwards against
8742-600: Was re-investigated using old and new data in a multi-disciplinary approach (Cleveringa et al., 2000). At the same time a parastratotype was selected in the Amsterdam glacial basin in the Amsterdam-Terminal borehole and was the subject of a multidisciplinary investigation (Van Leeuwen, et al., 2000). These authors also published a U/Th age for late Last Interglacial deposits from this borehole of 118,200 ± 6,300 years ago. A historical review of Dutch Last Interglacial research
8836-500: Was run by an international consortium of scientists, and drilling and logistics were managed by what is now called Centre for Ice and Climate at the Niels Bohr Institute, University of Copenhagen, Denmark. This research centre maintains a web page about ice core research: 75°01′N 42°32′W / 75.017°N 42.533°W / 75.017; -42.533 Eemian Stage The Last Interglacial , also known as
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