The Volkerak is a body of water in the Netherlands . It is part of the Rhine–Meuse–Scheldt delta , and is situated between the island Goeree-Overflakkee to the north-west and the Dutch mainland to the south and east. The western part of the Volkerak is also called Krammer . Tributaries of the Volkerak are the Dintel and Steenbergse Vliet .
112-794: Before 1987, it was a tidal river open to the North Sea , but it was closed off as part of the Delta Works ; it is now a fresh water lake. The Volkerak is navigable by sea-going ships. On the eastern end are the Volkerak Locks ( Volkeraksluizen ) connecting it to the Hollands Diep . At the western end is the Philipsdam and Krammer Locks ( Krammersluizen ) connecting it to the Eastern Scheldt ( Oosterschelde ), and also
224-678: A per-capita basis, Norway is the world's largest producer of oil and natural gas outside of the Middle East. The country has the fourth- and eighth-highest per-capita income in the world on the World Bank 's and IMF 's list, respectively. It has the world's largest sovereign wealth fund , with a value of US$ 1.3 trillion. Norway has two official names: Norge in Bokmål and Noreg in Nynorsk . The English name Norway comes from
336-590: A resistance movement which incorporated civil disobedience and armed resistance including the destruction of Norsk Hydro 's heavy water plant and stockpile of heavy water at Vemork , which crippled the German nuclear programme . More important to the Allied war effort, however, was the role of the Norwegian Merchant Marine , the fourth-largest merchant marine fleet in the world. It was led by
448-571: A Tuath . The North Sea has provided waterway access for commerce and conquest. Many areas have access to the North Sea because of its long coastline and the European rivers that empty it. There is little documentary evidence concerning the North Sea before the Roman conquest of Britain in 43 CE, however, archaeological evidence reveals the diffusion of cultures and technologies from across or along
560-521: A central role in the peaceful separation of Norway from Sweden on 7 June 1905. A national referendum confirmed the people's preference for a monarchy over a republic. However, no Norwegian could legitimately claim the throne, since none of Norway's noble families could claim royal descent . The government then offered the throne of Norway to Prince Carl of Denmark, a prince of the Dano-German royal house of Schleswig-Holstein-Sonderburg-Glücksburg and
672-738: A challenge to their dominance of the North Sea until the 20th century. Tensions in the North Sea were again heightened in 1904 by the Dogger Bank incident . During the Russo-Japanese War , several ships of the Russian Baltic Fleet, which was on its way to the Far East, mistook British fishing boats for Japanese ships and fired on them, and then upon each other, near the Dogger Bank, nearly causing Britain to enter
784-458: A conservative society. Life in Norway (especially economic life) was "dominated by the aristocracy of professional men who filled most of the important posts in the central government". There was no strong bourgeois class to demand a breakdown of this aristocratic control. Thus, even while revolution swept over most of the countries of Europe in 1848, Norway was largely unaffected. Marcus Thrane
896-665: A distant relative of Norway's medieval kings. Following the plebiscite, he was unanimously elected king by the Norwegian Parliament ; he took the name Haakon VII . Throughout the First World War , Norway remained neutral; however, diplomatic pressure from the British government meant that it heavily favoured the Allies . During the war, Norway exported fish to both Germany and Britain, until an ultimatum from
1008-457: A distinct national character. The movement covered all branches of culture, including literature ( Henrik Wergeland , Bjørnstjerne Bjørnson , Peter Christen Asbjørnsen , Jørgen Moe ), painting ( Hans Gude , Adolph Tidemand ), music ( Edvard Grieg ), and even language policy, where attempts to define a native written language for Norway led to today's two official written forms for Norwegian: Bokmål and Nynorsk . King Charles III John came to
1120-621: A long eastern border with Sweden , and is bordered by Finland and Russia to the northeast. Norway has an extensive coastline facing the Skagerrak strait, the North Atlantic Ocean, and the Barents Sea . The unified kingdom of Norway was established in 872 as a merger of petty kingdoms and has existed continuously for 1,151–1,152 years. From 1537 to 1814, Norway was part of Denmark–Norway , and, from 1814 to 1905, it
1232-523: A rich source of energy resources, including wind and wave power . The North Sea has featured prominently in geopolitical and military affairs, particularly in Northern Europe , from the Middle Ages to the modern era. It was also important globally through the power northern Europeans projected worldwide during much of the Middle Ages and into the modern era. The North Sea was the centre of
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#17327809986271344-634: A small group had left Norway following their king to Britain. This group included 13 ships, five aircraft, and 500 men from the Royal Norwegian Navy. By the end of the war, the force had grown to 58 ships and 7,500 men in service in the Royal Norwegian Navy, 5 squadrons of aircraft in the newly formed Norwegian Air Force, and land forces including the Norwegian Independent Company 1 and 5 Troop as well as No. 10 Commandos . During German occupation , Norwegians built
1456-686: A union between the two countries. In 1397, under Margaret I , the Kalmar Union was created between the three Scandinavian countries. She waged war against the Germans, resulting in a trade blockade and higher taxation on Norwegian goods, which led to a rebellion . However, the Norwegian Council of State was too weak to pull out of the union. Margaret pursued a centralising policy which inevitably favoured Denmark because of its greater population. Margaret also granted trade privileges to
1568-634: A united Norway. Harald's realm was mainly a South Norwegian coastal state. Fairhair ruled with a strong hand and according to the sagas, many Norwegians left the country to live in Iceland, the Faroe Islands , Greenland , and parts of Britain and Ireland. Haakon I the Good was Norway's first Christian king, in the mid-10th century, though his attempt to introduce the religion was rejected. Norse traditions were replaced slowly by Christian ones in
1680-717: A vast merchant marine, a large fishing fleet, powerful navy, and sophisticated financial markets made the Dutch the ascendant power in the North Sea, to be challenged by an ambitious England. This rivalry led to the first three Anglo-Dutch Wars between 1652 and 1673, which ended with Dutch victories. After the Glorious Revolution in 1688, the Dutch prince William ascended to the English throne. With unified leadership, commercial, military, and political power began to shift from Amsterdam to London. The British did not face
1792-536: A volume of 54,000 cubic kilometres (13,000 cu mi). Around the edges of the North Sea are sizeable islands and archipelagos , including Shetland , Orkney , and the Frisian Islands . The North Sea receives freshwater from a number of European continental watersheds, as well as the British Isles . A large part of the European drainage basin empties into the North Sea, including water from
1904-620: Is 17 °C (63 °F) in the summer and 6 °C (43 °F) in the winter. The average temperatures have been trending higher since 1988, which has been attributed to climate change . Air temperatures in January range on average between 0 and 4 °C (32 and 39 °F) and in July between 13 and 18 °C (55 and 64 °F). The winter months see frequent gales and storms. The salinity averages between 34 and 35 grams per litre (129 and 132 g/US gal) of water. The salinity has
2016-466: Is a series of asymmetrical trenches between 20 and 30 kilometres (12 and 19 mi) long, one and two kilometres (0.6 and 1.2 mi) wide and up to 230 metres (750 ft) deep. Other areas which are less deep are Cleaver Bank , Fisher Bank and Noordhinder Bank . The International Hydrographic Organization defines the limits of the North Sea as follows: On the Southwest. A line joining
2128-526: Is also home to marine mammals. Common seals , grey seals , and harbour porpoises can be found along the coasts, at marine installations, and on islands. The very northern North Sea islands such as the Shetland Islands are occasionally home to a larger variety of pinnipeds including bearded , harp , hooded and ringed seals , and even walrus . North Sea cetaceans include various porpoise , dolphin and whale species. Plant species in
2240-780: Is bounded by the Orkney Islands and east coast of Great Britain to the west and the northern and central European mainland to the east and south, including Norway , Denmark , Germany , the Netherlands , Belgium , and France . In the southwest, beyond the Straits of Dover , the North Sea becomes the English Channel connecting to the Atlantic Ocean. In the east, it connects to the Baltic Sea via
2352-454: Is little archaeological evidence dating to the early Iron Age (the last 500 years BC). The dead were cremated, and their graves contained few goods. During the first four centuries AD, the people of Norway were in contact with Roman-occupied Gaul ; about 70 Roman bronze cauldrons, often used as burial urns, have been found. Contact with countries farther south brought a knowledge of runes ; the oldest known Norwegian runic inscription dates from
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#17327809986272464-643: Is recorded to have killed more than 100,000 people. In 1362, the Second Marcellus Flood , also known as the Grote Manndrenke , hit the entire southern coast of the North Sea. Chronicles of the time again record more than 100,000 deaths, large parts of the coast were lost permanently to the sea, including the now legendary lost city of Rungholt . In the 20th century, the North Sea flood of 1953 flooded several nations' coasts and cost more than 2,000 lives. 315 citizens of Hamburg died in
2576-536: Is the Norwegian trench , which extends parallel to the Norwegian shoreline from Oslo to an area north of Bergen . It is between 20 and 30 kilometres (12 and 19 mi) wide and has a maximum depth of 725 metres (2,379 ft). The Dogger Bank , a vast moraine , or accumulation of unconsolidated glacial debris, rises to a mere 15 to 30 m (50 to 100 ft) below the surface. This feature has produced
2688-518: The Baltic Sea . The largest and most important rivers flowing into the North Sea are the Elbe and the Rhine – Meuse . Around 185 million people live in the catchment area of the rivers discharging into the North Sea encompassing some highly industrialized areas. For the most part, the sea lies on the European continental shelf with a mean depth of 90 metres (300 ft). The only exception
2800-525: The Battle of Heligoland Bight , the Battle of the Dogger Bank , and the Battle of Jutland . World War I also brought the first extensive use of submarine warfare , and a number of submarine actions occurred in the North Sea. The Second World War also saw action in the North Sea, though it was restricted more to aircraft reconnaissance and action by fighter/bomber aircraft, submarines and smaller vessels such as minesweepers and torpedo boats . After
2912-528: The English Channel was triggered by the earthquake, which in turn caused a tsunami. The tsunami triggered by the 1755 Lisbon earthquake reached Holland, although the waves had lost their destructive power. The largest earthquake ever recorded in the United Kingdom was the 1931 Dogger Bank earthquake , which measured 6.1 on the Richter magnitude scale and caused a small tsunami that flooded parts of
3024-644: The European continental shelf , it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian Sea in the north. It is more than 970 kilometres (600 mi) long and 580 kilometres (360 mi) wide, covering 570,000 square kilometres (220,000 sq mi). It hosts key north European shipping lanes and is a major fishery . The coast is a popular destination for recreation and tourism in bordering countries, and
3136-1117: The European Union and the United States . Norway is a founding member of the United Nations , NATO , the European Free Trade Association , the Council of Europe , the Antarctic Treaty , and the Nordic Council ; a member of the European Economic Area , the WTO , and the OECD ; and a part of the Schengen Area . The Norwegian dialects share mutual intelligibility with Danish and Swedish . Norway maintains
3248-527: The German invasion of France . King Haakon and the Norwegian government escaped to Rotherhithe in London. Throughout the war they sent radio speeches and supported clandestine military actions against the Germans. On the day of the invasion, the leader of the small National-Socialist party Nasjonal Samling , Vidkun Quisling , tried to seize power, but was forced by the German occupiers to step aside. Real power
3360-485: The Labour Party held an absolute majority in the parliament. The government, led by prime minister Einar Gerhardsen , embarked on a programme inspired by Keynesian economics , emphasising state financed industrialisation and co-operation between trade unions and employers' organisations . Many measures of state control of the economy imposed during the war were continued, although the rationing of dairy products
3472-517: The Last Glacial Maximum when the sea began to flood the European continental shelf. In 2006 a bone fragment was found while drilling for oil in the North Sea. Analysis indicated that it was a Plateosaurus from 199 to 216 million years ago. This was the deepest dinosaur fossil ever found and the first find for Norway. Copepods and other zooplankton are plentiful in the North Sea. These tiny organisms are crucial elements of
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3584-965: The Latin names Mare Germanicum and Oceanus Germanicus , and these persisted in use until the First World War. Other common names in use for long periods were the Latin terms Mare Frisicum , as well as the English equivalent, "Frisian Sea". The modern names of the sea in the other local languages are: Danish : Vesterhavet , lit. 'West Sea' [ˈvestɐˌhɛˀvð̩] or Nordsøen [ˈnoɐ̯ˌsøˀn̩] , Dutch : Noordzee , Dutch Low Saxon : Noordzee , French : Mer du Nord , West Frisian : Noardsee , German : Nordsee , Low German : Noordsee , North Frisian : Weestsiie , lit. 'West Sea', Swedish : Nordsjön , Bokmål : Nordsjøen [ˈnûːrˌʂøːn] , Nynorsk : Nordsjøen , Scots : North Sea and Scottish Gaelic : An Cuan
3696-483: The Nordic welfare model with universal health care and a comprehensive social security system, and its values are rooted in egalitarian ideals. The Norwegian state has large ownership positions in key industrial sectors, having extensive reserves of petroleum, natural gas, minerals, lumber, seafood, and fresh water. The petroleum industry accounts for around a quarter of the country's gross domestic product (GDP). On
3808-472: The North Sea flood of 1962 . Though rare, the North Sea has been the site of a number of historically documented tsunamis . The Storegga Slides were a series of underwater landslides, in which a piece of the Norwegian continental shelf slid into the Norwegian Sea. The immense landslips occurred between 8150 BCE and 6000 BCE, and caused a tsunami up to 20 metres (66 ft) high that swept through
3920-538: The Old English word Norþweg mentioned in 880, meaning "northern way" or "way leading to the north", which is how the Anglo-Saxons referred to the coastline of Atlantic Norway. The Anglo-Saxons of Britain also referred to the kingdom of Norway in 880 as Norðmanna land . There is some disagreement about whether the native name of Norway originally had the same etymology as the English form. According to
4032-1016: The Phare de Walde (Walde Lighthouse, in France, 50°59'37"N, 1°54'53"E) and Leathercoat Point (England, 51°10'01.4"N 1°24'07.8"). northeast of Dover. On the Northwest. From Dunnet Head (58°40'20"N, 3°22'30"W) in Scotland to Tor Ness (58°47'N) in the Island of Hoy , thence through this island to the Kame of Hoy (58°55'N) on to Breck Ness on Mainland (58°58'N) through this island to Costa Head (3°14'W) and Inga Ness (59'17'N) in Westray through Westray, to Bow Head, across to Mull Head (North point of Papa Westray ) and on to Seal Skerry (North point of North Ronaldsay ) and thence to Horse Island (South point of
4144-826: The Shetland Islands). On the North. From the North point (Fethaland Point) of the Mainland of the Shetland Islands, across to Graveland Ness (60°39'N) in the Island of Yell , through Yell to Gloup Ness (1°04'W) and across to Spoo Ness (60°45'N) in Unst island, through Unst to Herma Ness (60°51'N), on to the SW point of the Rumblings and to Muckle Flugga ( 60°51′N 0°53′W / 60.850°N 0.883°W / 60.850; -0.883 ) all these being included in
4256-426: The Skagerrak and Kattegat , narrow straits that separate Denmark from Norway and Sweden respectively. In the north it is bordered by the Shetland Islands , and connects with the Norwegian Sea , which is a marginal sea in the Arctic Ocean . The North Sea is more than 970 kilometres (600 mi) long and 580 kilometres (360 mi) wide, with an area of 750,000 square kilometres (290,000 sq mi) and
4368-414: The Syttende mai (Seventeenth of May) holiday. Norwegian opposition to the decision to link Norway with Sweden caused the Norwegian–Swedish War to break out as Sweden tried to subdue Norway by military means. As Sweden's military was not strong enough to defeat the Norwegian forces outright, and Norway's treasury was not large enough to support a protracted war, and as British and Russian navies blockaded
4480-456: The Vikings' rise . The Hanseatic League , the Dutch Republic , and the British each sought to gain command of the North Sea and access to the world's markets and resources. As Germany's only outlet to the ocean, the North Sea was strategically important through both world wars. The coast has diverse geology and geography. In the north, deep fjords and sheer cliffs mark much of its Norwegian and Scottish coastlines respectively, whereas in
4592-413: The archipelago of Svalbard also form part of the Kingdom of Norway. Bouvet Island , located in the Subantarctic , is a dependency , and not a part of the Kingdom; Norway also claims the Antarctic territories of Peter I Island and Queen Maud Land . The capital and largest city in Norway is Oslo . Norway has a total area of 385,207 square kilometres (148,729 sq mi). The country shares
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4704-463: The food chain supporting many species of fish. Over 230 species of fish live in the North Sea. Cod , haddock , whiting , saithe , plaice , sole , mackerel , herring , pouting , sprat , and sandeel are all very common and are fished commercially. Due to the various depths of the North Sea trenches and differences in salinity, temperature, and water movement, some fish such as blue-mouth redfish and rabbitfish reside only in small areas of
4816-417: The introduction of Protestantism in 1536, the archbishopric in Trondheim was dissolved; Norway lost its independence and effectually became a colony of Denmark. The Church's incomes and possessions were instead redirected to the court in Copenhagen. Norway lost the steady stream of pilgrims to the relics of St. Olav at the Nidaros shrine, and with them, much of the contact with cultural and economic life in
4928-535: The littoral is low and marshy. The east coast and south-east of the North Sea ( Wadden Sea ) have coastlines that are mainly sandy and straight owing to longshore drift , particularly along Belgium and Denmark. The southern coastal areas were originally flood plains and swampy land. In areas especially vulnerable to storm surges, people settled behind elevated levees and on natural areas of high ground such as spits and geestland . As early as 500 BC, people were constructing artificial dwelling hills higher than
5040-399: The parliament , the cabinet , and the supreme court , as determined by the 1814 constitution . Norway has both administrative and political subdivisions on two levels: counties and municipalities . The Sámi people have a certain amount of self-determination and influence over traditional territories through the Sámi Parliament and the Finnmark Act . Norway maintains close ties with
5152-410: The union with Sweden . Under this arrangement, Norway kept its liberal constitution and its own independent institutions, though it shared a monarch and foreign policy with Sweden. Following the recession caused by the Napoleonic Wars , economic development of Norway remained slow until 1830. This period also saw the rise of Norwegian romantic nationalism , as Norwegians sought to define and express
5264-622: The 13th century the Hanseatic League , though centred on the Baltic Sea , started to control most of the trade through important members and outposts on the North Sea. The League lost its dominance in the 16th century, as neighbouring states took control of former Hanseatic cities and outposts. Their internal conflict prevented effective cooperation and defence. As the League lost control of its maritime cities, new trade routes emerged that provided Europe with Asian, American, and African goods. The 17th century Dutch Golden Age saw Dutch maritime power at its zenith. Important overseas colonies,
5376-410: The British coast. Shallow epicontinental seas like the current North Sea have since long existed on the European continental shelf . The rifting that formed the northern part of the Atlantic Ocean during the Jurassic and Cretaceous periods, from about 150 million years ago , caused tectonic uplift in the British Isles. Since then, a shallow sea has almost continuously existed between
5488-414: The British government and anti-German sentiments as a result of German submarines targeting Norwegian merchantmen led to a termination of trade with Germany. 436 Norwegian merchantmen were sunk by the Kaiserliche Marine , with 1,150 Norwegian sailors killed. Norway once more proclaimed its neutrality during the Second World War , but was invaded by German forces on 9 April 1940. Although Norway
5600-464: The Danish kingdom was on the losing side in 1814, it was forced by the Treaty of Kiel to cede Norway to Sweden, while the old Norwegian provinces of Iceland, Greenland, and the Faroe Islands remained with the Danish crown. Norway took this opportunity to declare independence, adopted a constitution based on American and French models, and elected the Crown Prince of Denmark and Norway, Christian Frederick , as king on 17 May 1814 – celebrated as
5712-406: The Grevelingendam and Grevelingen Lock ( Grevelingensluis ) connecting it to the Grevelingen Grevelingen . Finally, the Scheldt–Rhine Canal connects it to the port of Antwerp and thus the North Sea , providing access for ocean-going vessels. Due to the low supply of fresh water to the now-enclosed Volkerak, and runoff of agricultural nutrients , the lake suffers from algal bloom throughout
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#17327809986275824-403: The Hanseatic merchants of Lübeck in Bergen in return for recognition of her rule, and these hurt the Norwegian economy. The Hanseatic merchants formed a state within a state in Bergen for generations. The " Victual Brothers " launched three devastating pirate raids on the port (the last in 1427). Norway slipped ever more to the background under the Oldenburg dynasty (established 1448). There
5936-445: The Middle Ages through the 15th century, the northern European coastal ports exported domestic goods, dyes, linen, salt, metal goods and wine. The Scandinavian and Baltic areas shipped grain, fish, naval necessities, and timber. In turn, the North Sea countries imported high-grade cloths, spices, and fruits from the Mediterranean region. Commerce during this era was mainly conducted by maritime trade due to underdeveloped roadways. In
6048-426: The Netherlands. The North Sea Floods of 1953 and 1962 were the impetus for further raising of the dikes as well as the shortening of the coast line so as to present as little surface area as possible to the punishment of the sea and the storms. Currently, 27% of the Netherlands is below sea level protected by dikes, dunes, and beach flats. Coastal management today consists of several levels. The dike slope reduces
6160-683: The North Sea are home to nature reserves including the Ythan Estuary , Fowlsheugh Nature Preserve, and Farne Islands in the UK and the Wadden Sea National Parks in Denmark, Germany and the Netherlands. These locations provide breeding habitat for dozens of bird species. Tens of millions of birds make use of the North Sea for breeding, feeding, or migratory stopovers every year. Populations of black-legged kittiwakes , Atlantic puffins , northern gannets , northern fulmars , and species of petrels , seaducks , loons (divers), cormorants , gulls , auks , and terns , and many other seabirds make these coasts popular for birdwatching . The North Sea
6272-516: The North Sea area; thence up the meridian of 0°53' West to the parallel of 61°00' North and eastward along this parallel to the coast of Norway, the whole of Viking Bank is thus included in the North Sea. On the East. The Western limit of the Skagerrak [A line joining Hanstholm ( 57°07′N 8°36′E / 57.117°N 8.600°E / 57.117; 8.600 ) and the Naze ( Lindesnes , 58°N 7°E / 58°N 7°E / 58; 7 )]. The average temperature
6384-402: The North Sea during the Migration Period . They made successive invasions of the island from what is now the Netherlands, Denmark, and Germany. The Viking Age began in 793 with the attack on Lindisfarne ; for the next quarter-millennium, the Vikings ruled the North Sea. In their superior longships , they raided, traded, and established colonies and outposts along the coasts of the sea. From
6496-554: The North Sea include species of wrack , among them bladder wrack , knotted wrack , and serrated wrack. Algae , macroalgal, and kelp , such as oarweed and laminaria hyperboria, and species of maerl are found as well. Eelgrass , formerly common in the entirety of the Wadden Sea, was nearly wiped out in the 20th century by a disease. Similarly, sea grass used to coat huge tracts of ocean floor, but have been damaged by trawling and dredging have diminished its habitat and prevented its return. Invasive Japanese seaweed has spread along
6608-445: The North Sea to Great Britain and Scandinavia and reliance by some prehistoric cultures on fishing, whaling, and seaborne trade on the North Sea. The Romans established organised ports in Britain, which increased shipping and began sustained trade the diffusion of cultures and technologies from across or along the North Sea to Great Britain and Scandinavia and reliance by some prehistoric cultures on fishing, whaling, and seaborne trade on
6720-416: The North Sea until the 20th century, when numbers declined due to overfishing . Other factors like the introduction of non-indigenous species , industrial and agricultural pollution , trawling and dredging , human-induced eutrophication , construction on coastal breeding and feeding grounds, sand and gravel extraction, offshore construction , and heavy shipping traffic have also contributed to
6832-420: The North Sea, having the greatest effect on Scotland and the Faeroe Islands . The Dover Straits earthquake of 1580 is among the first recorded earthquakes in the North Sea measuring between 5.6 and 5.9 on the Richter scale. This event caused extensive damage in Calais both through its tremors and possibly triggered a tsunami , though this has never been confirmed. The theory is a vast underwater landslide in
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#17327809986276944-399: The North Sea. Crustaceans are also commonly found throughout the sea. Norway lobster , deep-water prawns , and brown shrimp are all commercially fished, but other species of lobster , shrimp , oyster , mussels and clams all live in the North Sea. Recently non-indigenous species have become established including the Pacific oyster and Atlantic jackknife clam . The coasts of
7056-399: The North Sea. The Romans established organised ports in Britain, which increased shipping and began sustained trade and many Scandinavian tribes participated in raids and wars against the Romans and Roman coinage and manufacturing were important trade goods. When the Romans abandoned Britain in 410, the Germanic Angles , Frisians , Saxons , and Jutes began the next great migration across
7168-448: The North Sea. The wave continues to travel northward in the Atlantic Ocean, and once past the northern tip of Great Britain, the Kelvin wave turns east and south and once again enters the North Sea. The eastern and western coasts of the North Sea are jagged, formed by glaciers during the ice ages . The coastlines along the southernmost part are covered with the remains of deposited glacial sediment. The Norwegian mountains plunge into
7280-416: The Norwegian coast, the belligerents were forced to negotiate the Convention of Moss . Christian Frederik abdicated the Norwegian throne and authorised the Parliament of Norway to make the necessary constitutional amendments to allow for the personal union that Norway was forced to accept. On 4 November 1814, the Parliament (Storting) elected Charles XIII of Sweden as king of Norway, thereby establishing
7392-445: The Norwegian shipping company Nortraship under the Allies throughout the war and took part in every war operation from the evacuation of Dunkirk to the Normandy landings . Every December Norway gives a Christmas tree to the United Kingdom as thanks for the British assistance during the war. Svalbard was not occupied by German troops, but Germany secretly established a meteorological station there in 1944. From 1945 to 1962,
7504-438: The Orkney Islands through the mid-16th century, as both Sable Island and Orkney Islands lay within their normal range. Grey whales also resided in the North Sea but were driven to extinction in the Atlantic in the 17th century Other species have dramatically declined in population, though they are still found. North Atlantic right whales , sturgeon , shad , rays , skates , salmon , and other species were common in
7616-536: The coast, where the huge ice shelf of the last ice age first melted between 11,000 and 8000 BC. The oldest finds are stone tools dating from 9500 to 6000 BC, discovered in Finnmark ( Komsa culture ) in the north and Rogaland ( Fosna culture ) in the southwest. Theories about the two cultures being separate were deemed obsolete in the 1970s. Between 3000 and 2500 BC, new settlers ( Corded Ware culture ) arrived in eastern Norway . They were Indo-European farmers who grew grain and kept livestock, and gradually replaced
7728-435: The coasts of the Netherlands, Belgium, Germany, and Denmark and low-lying areas of eastern England particularly around The Wash and Fens . Storm surges are caused by changes in barometric pressure combined with strong wind created wave action . The first recorded storm tide flood was the Julianenflut , on 17 February 1164. In its wake, the Jadebusen , (a bay on the coast of Germany), began to form. A storm tide in 1228
7840-428: The control of Queen Margaret when the country entered into the Kalmar Union . After Sweden broke out of the Kalmar Union in 1521, Norway tried to follow suit, but the subsequent rebellion was defeated, and Norway remained in a union with Denmark until 1814. This period was by some referred to as the "400-Year Night", since all of the kingdom's intellectual and administrative power was centred in Copenhagen . With
7952-476: The death of Haakon in 1379, his 10-year-old son Olaf IV acceded to the throne. As Olaf had already been elected to the throne of Denmark in 1376, Denmark and Norway entered a personal union . Olaf's mother and Haakon's widow, Queen Margaret, managed the foreign affairs of Denmark and Norway during Olaf's minority. Margaret was on the verge of achieving a union of Sweden with Denmark and Norway when Olaf IV suddenly died. Denmark made Margaret temporary ruler on
8064-434: The death of Olaf. On 2 February 1388, Norway followed suit and crowned Margaret. Queen Margaret knew that her power would be more secure if she were able to find a king to rule in her place. She settled on Eric of Pomerania , grandson of her sister. Thus at an all-Scandinavian meeting held at Kalmar, Erik of Pomerania was crowned king of all three Scandinavian countries, bringing the thrones of Norway, Denmark, and Sweden under
8176-586: The decline. For example, a resident orca pod was lost in the 1960s, presumably due to the peak in PCB pollution in this time period. The OSPAR commission manages the OSPAR convention to counteract the harmful effects of human activity on wildlife in the North Sea, preserve endangered species , and provide environmental protection. All North Sea border states are signatories of the MARPOL 73/78 Accords, which preserve
8288-490: The economy, because of the loans the Hansa had made to the royals and the large debt the kings were carrying. The League's monopolistic control over the economy of Norway put pressure on all classes, especially the peasantry, to the degree that no real burgher class existed in Norway. From the 1040s to 1130, the country was at peace. In 1130, the civil war era broke out on the basis of unclear succession laws , which allowed
8400-625: The end of the century. Throughout the High Middle Ages , the king established Norway as a sovereign state with a central administration and local representatives. In 1349, the Black Death spread to Norway and within a year killed a third of the population. Later plagues reduced the population to half the starting point by 1400. Many communities were entirely wiped out, resulting in an abundance of land, allowing farmers to switch to more animal husbandry . The reduction in taxes weakened
8512-555: The energy of the incoming sea, so that the dike itself does not receive the full impact. Dikes that lie directly on the sea are especially reinforced. The dikes have, over the years, been repeatedly raised, sometimes up to 9 metres (30 ft) and have been made flatter to better reduce wave erosion. Where the dunes are sufficient to protect the land behind them from the sea, these dunes are planted with beach grass ( Ammophila arenaria ) to protect them from erosion by wind, water, and foot traffic. Storm surges threaten, in particular,
8624-546: The expense of Sweden and Russia. The famine of 1695–1696 killed roughly 10% of Norway's population. The harvest failed in Scandinavia at least nine times between 1740 and 1800, with great loss of life. After Denmark–Norway was attacked by the United Kingdom at the 1807 Battle of Copenhagen , it entered into an alliance with Napoleon , with the war leading to dire conditions and mass starvation in 1812. As
8736-572: The finest fishing location of the North Sea. The Long Forties and the Broad Fourteens are large areas with roughly uniform depth in fathoms (forty fathoms and fourteen fathoms or 73 and 26 m or 240 and 85 ft deep, respectively). These great banks and others make the North Sea particularly hazardous to navigate, which has been alleviated by the implementation of satellite navigation systems . The Devil's Hole lies 320 kilometres (200 mi) east of Dundee , Scotland. The feature
8848-531: The highest variability where there is fresh water inflow, such as at the Rhine and Elbe estuaries, the Baltic Sea exit and along the coast of Norway. The main pattern to the flow of water in the North Sea is an anti-clockwise rotation along the edges. The North Sea is an arm of the Atlantic Ocean receiving the majority of ocean current from the northwest opening, and a lesser portion of warm current from
8960-553: The hunting-fishing population of the west coast. From about 1500 BC, bronze was gradually introduced. Burial cairns built close to the sea as far north as Harstad and also inland in the south are characteristic of this period, with rock carving motifs that differ from those of the Stone Age , depicting ships resembling the Hjortspring boat , while large stone burial monuments known as stone ships were also erected. There
9072-485: The king's position, and many aristocrats lost the basis for their surplus. High tithes to church made it increasingly powerful and the archbishop became a member of the Council of State . The Hanseatic League took control over Norwegian trade during the 14th century and established a trading centre in Bergen . In 1380, Olaf Haakonsson inherited both the Norwegian (as Olaf IV) and Danish thrones (as Olaf II), creating
9184-419: The king's sons to rule jointly. The Archdiocese of Nidaros was created in 1152 and attempted to control the appointment of kings. The church inevitably had to take sides in the conflicts. The wars ended in 1217 with the appointment of Håkon IV Håkonsson , who introduced clear laws of succession. From 1000 to 1300, the population increased from 150,000 to 400,000, resulting both in more land being cleared and
9296-437: The kings of Sweden and of Denmark were elected to the throne by their respective nobles. Thus Sweden and Norway were united under King Magnus VII. In 1349, the Black Death killed between 50% and 60% of Norway's population and led to a period of social and economic decline. Although the death rate was comparable with the rest of Europe, economic recovery took much longer because of the small, scattered population. Even before
9408-516: The late 10th and early 11th centuries. This is largely attributed to the missionary kings Olaf I Tryggvasson and Olaf II Haraldsson (St. Olaf). Olaf Tryggvasson conducted raids in England, including attacking London. Arriving back in Norway in 995, Olaf landed in Moster where he built a church which became the first Christian church in Norway. From Moster, Olaf sailed north to Trondheim where he
9520-549: The marine environment by preventing pollution from ships. Germany, Denmark, and the Netherlands also have a trilateral agreement for the protection of the Wadden Sea , or mudflats , which run along the coasts of the three countries on the southern edge of the North Sea. The North Sea has had various names throughout history. One of the earliest recorded names was Septentrionalis Oceanus , or "Northern Ocean", which
9632-519: The ninth century when heading for the Faroe Islands , and eventually came across Vinland , known today as Newfoundland , in Canada. The Vikings from Norway were most active in the northern and western British Isles and eastern North America isles . According to tradition, Harald Fairhair unified them into one in 872 after the Battle of Hafrsfjord in Stavanger , thus becoming the first king of
9744-440: The plague, the population was only about 500,000. After the plague, many farms lay idle while the population slowly increased. However, the few surviving farms' tenants found their bargaining positions with their landlords greatly strengthened. King Magnus VII ruled Norway until 1350, when his son, Haakon, was placed on the throne as Haakon VI . In 1363, Haakon married Margaret , daughter of King Valdemar IV of Denmark . Upon
9856-434: The prevailing flood levels. It was only around the beginning of the High Middle Ages , in 1200 AD, that inhabitants began to connect single ring dikes into a dike line along the entire coast, thereby turning amphibious regions between the land and the sea into permanent solid ground. The modern form of the dikes supplemented by overflow and lateral diversion channels, began to appear in the 17th and 18th centuries, built in
9968-489: The reign of Charles III John brought some significant social and political reforms. In 1854, women won the right to inherit property. In 1863, the last trace of keeping unmarried women in the status of minors was removed. Furthermore, women were eligible for different occupations, particularly the common school teacher. By mid-century, Norway's democracy was limited; voting was limited to officials, property owners, leaseholders and burghers of incorporated towns. Norway remained
10080-418: The rest of Europe. Eventually restored as a kingdom (albeit in legislative union with Denmark) in 1661, Norway saw its land area decrease in the 17th century with the loss of the provinces Båhuslen , Jemtland , and Herjedalen to Sweden, as the result of a number of disastrous wars with Sweden. In the north, its territory was increased by the acquisition of the northern provinces of Troms and Finnmark , at
10192-469: The sea creating deep fjords and archipelagos . South of Stavanger, the coast softens, the islands become fewer. The eastern Scottish coast is similar, though less severe than Norway. From north east of England , the cliffs become lower and are composed of less resistant moraine , which erodes more easily, so that the coasts have more rounded contours. In the Netherlands, Belgium and in East Anglia
10304-413: The shores of the sea clogging harbours and inlets and has become a nuisance. Due to the heavy human populations and high level of industrialization along its shores, the wildlife of the North Sea has suffered from pollution, overhunting, and overfishing. Flamingos and pelicans were once found along the southern shores of the North Sea, but became extinct over the second millennium. Walruses frequented
10416-471: The smaller opening at the English Channel. These tidal currents leave along the Norwegian coast. Surface and deep water currents may move in different directions. Low salinity surface coastal waters move offshore, and deeper, denser high salinity waters move inshore. The North Sea located on the continental shelf has different waves from those in deep ocean water. The wave speeds are diminished and
10528-557: The south, the coast consists mainly of sandy beaches, estuaries of long rivers and wide mudflats . Due to the dense population, heavy industrialisation , and intense use of the sea and the area surrounding it, various environmental issues affect the sea's ecosystems. Adverse environmental issues – commonly including overfishing , industrial and agricultural runoff , dredging , and dumping, among others – have led to several efforts to prevent degradation and to safeguard long-term economic benefits. The North Sea
10640-543: The subdivision of farms. While in the Viking Age farmers owned their own land, by 1300, seventy per cent of the land was owned by the king, the church, or the aristocracy, and about twenty per cent of yields went to these landowners. The 14th century is described as Norway's golden age , with peace and increase in trade, especially with the British Islands, although Germany became increasingly important towards
10752-425: The summer, and swimming is prohibited. The decision to transform it again into a salt water lake could be taken between 2015 and 2020. 51°39′N 4°18′E / 51.65°N 4.3°E / 51.65; 4.3 North Sea Download coordinates as: The North Sea lies between Great Britain , Denmark , Norway , Germany , the Netherlands , Belgium and France . An epeiric sea on
10864-582: The third century. By the time of the first historical records of Scandinavia, about the 8th century, several small political entities existed in Norway. It has been estimated that there were nine petty realms in Western Norway during the early Viking Age . Archaeologist Bergljot Solberg on this basis estimates that there would have been at least 20 in the whole country. In the Viking period, Norwegian Viking explorers discovered Iceland by accident in
10976-452: The throne of Norway and Sweden in 1818 and reigned to 1844. He protected the constitution and liberties of Norway and Sweden during the age of Metternich . As such, he was regarded as a liberal monarch. However, he was ruthless in his use of paid informers, secret police and restrictions on the freedom of the press to put down public movements for reform—especially the Norwegian national independence movement. The Romantic Era that followed
11088-498: The traditional dominant view, the first component was originally norðr , a cognate of English north , so the full name was Norðr vegr , "the way northwards", referring to the sailing route along the Norwegian coast, and contrasting with suðrvegar "southern way" (from Old Norse suðr ) for (Germany), and austrvegr "eastern way" (from austr ) for the Baltic . The earliest traces of human occupation in Norway are found along
11200-888: The uplands of the Fennoscandian Shield and the British Isles. This precursor of the current North Sea has grown and shrunk with the rise and fall of the eustatic sea level during geologic time. Sometimes it was connected with other shallow seas, such as the sea above the Paris Basin to the south-west, the Paratethys Sea to the south-east, or the Tethys Ocean to the south. During the Late Cretaceous, about 85 million years ago , all of modern mainland Europe except for Scandinavia
11312-504: The war on the side of Japan. During the First World War , Great Britain's Grand Fleet and Germany's Kaiserliche Marine faced each other in the North Sea, which became the main theatre of the war for surface action. Britain's larger fleet and North Sea Mine Barrage were able to establish an effective blockade for most of the war, which restricted the Central Powers ' access to many crucial resources. Major battles included
11424-621: The war, hundreds of thousands of tons of chemical weapons were disposed of by being dumped in the North Sea. Norway in Europe (green and dark grey) Norway ( Bokmål : Norge , Nynorsk : Noreg ), officially the Kingdom of Norway , is a Nordic country in Northern Europe , situated on the Scandinavian Peninsula with a population of 5.5 million as of 2024. The remote Arctic island of Jan Mayen and
11536-406: The wave amplitudes are increased. In the North Sea there are two amphidromic systems and a third incomplete amphidromic system. In the North Sea the average tide difference in wave amplitude is between zero and eight metres (26 ft). The Kelvin tide of the Atlantic Ocean is a semidiurnal wave that travels northward. Some of the energy from this wave travels through the English Channel into
11648-631: Was a Utopian socialist who in 1848 organised a labour society in Drammen . In just a few months, this society had a membership of 500 and was publishing its own newspaper. Within two years, 300 societies had been organised all over Norway, with a total membership of 20,000 drawn from the lower classes of both urban and rural areas. In the end, the revolt was easily crushed; Thrane was captured and jailed. In 1898, all men were granted universal suffrage , followed by all women in 1913. Christian Michelsen , Prime Minister of Norway from 1905 to 1907, played
11760-595: Was a scattering of islands. By the Early Oligocene , 34 to 28 million years ago , the emergence of Western and Central Europe had almost completely separated the North Sea from the Tethys Ocean, which gradually shrank to become the Mediterranean as Southern Europe and South West Asia became dry land. The North Sea was cut off from the English Channel by a narrow land bridge until that
11872-566: Was breached by at least two catastrophic floods between 450,000 and 180,000 years ago. Since the start of the Quaternary period about 2.6 million years ago , the eustatic sea level has fallen during each glacial period and then risen again. Every time the ice sheet reached its greatest extent, the North Sea became almost completely dry, the dry landmass being known as Doggerland , whose northern regions were themselves known to have been glaciated. The present-day coastline formed after
11984-632: Was cited by Pliny . He also noted that the Cimbri called it Morimarusa – "Dead Sea". The name "North Sea" probably came into English, however, via the Dutch Noordzee , who named it thus either in contrast with the Zuiderzee ("South Sea"), located south of Frisia , or because the sea is generally to the north of the Netherlands. Before the adoption of "North Sea", the names used in English were "German Sea" or "German Ocean", referred to as
12096-566: Was in a personal union with Sweden. Norway was neutral during the First World War , and in the Second World War until April 1940 when it was invaded and occupied by Nazi Germany until the end of the war. Harald V of the House of Glücksburg is the current King of Norway . Jonas Gahr Støre has been Prime Minister of Norway since 2021. As a unitary state with a constitutional monarchy , Norway divides state power between
12208-408: Was one revolt under Knut Alvsson in 1502. Norway took no part in the events which led to Swedish independence from Denmark in the 1520s. Upon the death of King Haakon V in 1319, Magnus Eriksson , at just three years old, inherited the throne as King Magnus VII. A simultaneous movement to make Magnus King of Sweden proved successful (he was a grandson of King Magnus Ladulås of Sweden), and both
12320-634: Was proclaimed King of Norway by the Eyrathing in 995. One of the most important sources for the history of the 11th century Vikings is the treaty between the Icelanders and Olaf II Haraldsson, king of Norway circa 1015 to 1028. Feudalism never really developed in Norway or Sweden, as it did in the rest of Europe. However, the administration of government took on a very conservative feudal character. The Hanseatic League forced royalty to cede to them greater and greater concessions over foreign trade and
12432-455: Was unprepared for the German surprise attack (see: Battle of Drøbak Sound , Norwegian Campaign , and Invasion of Norway ), military and naval resistance lasted for two months. Norwegian armed forces in the north launched an offensive against the German forces in the Battles of Narvik , but were forced to surrender on 10 June after losing British support which had been diverted to France during
12544-582: Was wielded by the leader of the German occupation authority, Josef Terboven . Quisling, as minister president , later formed a collaborationist government under German control . Up to 15,000 Norwegians volunteered to fight in German units, including the Waffen-SS . Many Norwegians and persons of Norwegian descent joined the Allied forces as well as the Free Norwegian Forces . In June 1940,
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