No they dont have the same meaning.

The Danes, the Swedes, the Norwegians, the Icelanders are the Scandinavian peoples. Scandinavian were called Nordic.

The term Viking is customarily used to refer to the Norse explorers, warriors, merchants, and pirates who raided, traded, explored and settled in wide areas of Europe, Asia and the North Atlantic islands from the late 8th to the mid-11th century.

The period from the earliest recorded raids in the 790s until the Norman Conquest of England in 1066 is commonly known as the Viking Age of Scandinavian history. Vikings used the Norwegian Sea and Baltic Sea for sea routes to the south. The Normans were descended from Danish and Norwegian Vikings who were given feudal overlordship of areas in northern France — the Duchy of Normandy — in the 10th century. In that respect, descendants of the Vikings continued to have an influence in northern Europe. Likewise, King Harold Godwinson, the last Anglo-Saxon king of England, had Danish ancestors. Geographically, a "Viking Age" may be assigned not only to Scandinavian lands (modern Denmark, Norway and Sweden), but also to territories under North Germanic dominance, mainly the Danelaw, including Scandinavian York, the administrative centre of the remains of the Kingdom of Northumbria, parts of Mercia, and East Anglia. Viking navigators opened the road to new lands to the north, west and east, resulting in the foundation of independent settlements in the Shetland, Orkney, and Faroe Islands; Iceland; Greenland; and L'Anse aux Meadows, a short-lived settlement in Newfoundland, circa 1000 A.D. Many of these lands, specifically Greenland and Iceland, may have been originally discovered by sailors blown off course. They also may well have been deliberately sought out, perhaps on the basis of the accounts of sailors who had seen land in the distance. The Greenland settlement eventually died out, possibly due to climate change. Vikings also explored and settled in territories in Slavic-dominated areas of Eastern Europe, particularly the Kievan Rus. By 950 AD these settlements were largely Slavicised.

As early as 839, when Swedish emissaries are first known to have visited Byzantium, Scandinavians served as mercenaries in the service of the Byzantine Empire. In the late 10th century, a new unit of the imperial bodyguard was formed which traditionally contained large numbers of Scandinavians. This was known as the Varangian Guard. The word "Varangian" may have originated in Old Norse, but in Slavic and Greek it could refer either to Scandinavians or Franks. The most eminent Scandinavian to serve in the Varangian Guard was Harald Hardrada, who subsequently established himself as king of Norway (1047–66).

The Vikings sailed most of the North Atlantic, reaching south to North Africa and east to Russia, Constantinople and the Middle East, as looters, traders, colonists, and mercenaries. Vikings under Leif Eriksson, heir to Erik the Red, reached North America, and set up a short-lived settlement in present-day L'Anse aux Meadows, Newfoundland and Labrador, Canada.

During the Viking Age, Scandinavian men and women travelled to many parts of Europe and beyond, in a cultural diaspora that left its traces from Newfoundland to Byzantium. But this period of energetic activity also had a pronounced effect in the Scandinavian homelands, which were subject to a variety of new influences. In the 300 years from the late 8th century, when contemporary chroniclers first commented on the appearance of Viking raiders, to the end of the 11th century, Scandinavia underwent profound cultural changes.

The kings of Norway continued to assert power in parts of northern Britain and Ireland, and raids continued into the 12th century, but the military ambitions of Scandinavian rulers were now directed toward new paths. In 1107 Sigurd I of Norway sailed for the eastern Mediterranean with a host of Norwegian crusaders to fight for the newly established Kingdom of Jerusalem, and the Danes and Swedes participated energetically in the Baltic Crusades of the 12th and 13th centuries.
England has numerous remains from the Mesolithic, Neolithic, and Bronze Age, such as Stonehenge and Avebury. In the Iron Age, England, like all of Britain south of the Firth of Forth, was inhabited by the Celtic people known as the Britons, but also by some Belgae tribes e.g. the Atrebates, the Catuvellauni, the Trinovantes, etc. in the south east. In AD 43 the Roman conquest of Britain began; the Romans maintained control of their province of Britannia through to the 5th century. The end of Roman rule in Britain enabled the Anglo-Saxon settlement of Britain, which is often regarded as the origin of England and the English people.

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