Christianization of Scandinavia
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The Christianization of Scandinavia took place between the 8th and the 12th centuries. The realms of Scandinavia proper, Denmark, Norway and Sweden, established their own Archdioceses, responsible directly to the Pope, in 1104, 1154 and 1164, respectively. The conversion to Christianity of the Scandinavian people required more time, since it took additional efforts to establish a network of churches. The Samis remained unconverted until the 18th century.
Although the Scandinavians became nominally Christian, it took considerably longer for actual Christian beliefs to establish themselves among the people, if they ever did. The old indigenous traditions that had provided security and structure were challenged by ideas that were unfamiliar, such as original sin, the Incarnation, and the Trinity. Archaeological excavations of burial sites on the island of Lovön near modern-day Stockholm have shown that the actual Christianization of the people was very slow and took at least 150–200 years, and this was a very central location in the Swedish kingdom. Thirteenth-century runic inscriptions from the merchant town of Bergen in Norway show little Christian influence, and one of them appeals to a Valkyrie.
During the early Middle Ages the papacy had not yet manifested itself as the central Catholic authority, so that regional variants of Christianity could develop. Since the image of a "victorious Christ" frequently appears in early Germanic art, scholars have suggested that Christian missionaries presented Christ "as figure of strength and luck" and that possibly the Book of Revelation, which presents Christ as victor over Satan, played a central part in the spread of Christianity among the Vikings.
Mission of Hamburg-Bremen 
Recorded missionary efforts in Denmark started with Willibrord, Apostle to the Frisians, who preached in Schleswig, which at the time was part of Denmark. He went north from Frisia sometime between 710 and 718 during the reign of King Agantyr.[clarification needed Where was Agantyr king?] Willibrord and his companions had little success: the king was respectful but had no interest in changing his beliefs. Agantyr did permit 30 young men to return to Frisia with Willibrord. Perhaps Willibrord's intent was to educate them and recruit some of them to join his efforts to bring Christianity to the Danes. A century later Ebbo, Archbishop of Reims and Willerich, later Bishop of Bremen, baptized a few persons during their 823 visit to Denmark. He returned to Denmark twice to proselytize but without any recorded success.
In 826, the King of Jutland Harald Klak was forced to flee from Denmark by Horik I, Denmark's other king. Harald went to Emperor Louis I of Germany to seek help getting his lands in Jutland back. Louis I offered to make Harald Duke of Frisia if he would give up the old gods. Harald agreed, and his family and the 400 Danes with him were baptized in Ingelheim am Rhein. When Harald returned to Jutland, Emperor Louis and Ebbo of Rheims assigned the monk Ansgar to accompany Harald and oversee Christianity among the converts. When Harald Klak was forced from Denmark by King Horik I again, Ansgar left Denmark and focused his efforts on the Swedes. Ansgar traveled to Birka in 829 and established a small Christian community there. His most important convert was Herigar, described as a prefect of the town and a counselor to the king. In 831 the Archdiocese of Hamburg was founded and assigned responsibility for proselytizing Scandinavia.
Horik I sacked Hamburg in 845 where Ansgar had become the archbishop. The seat of the archdiocese was transferred to Bremen. In the same year there was a pagan uprising in Birka that resulted in the martyrdom of Nithard and forced the resident missionary Bishop Gautbert to flee. Ansgar returned to Birka in 854 and Denmark in 860 to reestablish some of the gains of his first visits. In Denmark he won over the trust of then-King Horik II (not Horik I, who was murdered in 854 and opposed Christianity) who gave him land in Hedeby (proto-town to be replaced by Schleswig) for the first Christian chapel. A second church was founded a few years later in Ribe on Denmark's west coast. Ribe was an important trading town, and as a result, southern Denmark was made a diocese in 948 with Ribe as its seat, a part of the Archdiocese of Hamburg-Bremen under its first bishop, St. Leofdag who was murdered that year while crossing the Ribe River.
The supremacy of the archdiocese of Hamburg-Bremen over ecclesiastical life in the north gradually declined as the papacy, from the pontificate of Pope Gregory VII onwards, involved itself more with the North directly. A significant step in this direction was the foundation of an archbishopric for the whole of Scandinavia at Lund in 1103-04.
Both the accounts of Willibrod and of Harald are semi-mythical, and integrate mythical and legendary themes from the Nordic pagan tradition into their Christian stories. A syncretized variant of the story of Harald, that has him battling Ragnar Lodbrog to establish Christianity in Denmark, appears in Book Nine of Saxo Grammaticus' Gesta Danorum. Ebbo is the name of a mythical Nordic figure, Ibor, also known as Egil or Orvandil, who is an archer, elf, and smith who turns against the Aesir gods and wages war upon them, and the story of Ebbo of Rheims integrates themes of the divine Ebbo's story, including peasant (non-Aesir) birth and migration. Harald's usurpation and his efforts at Christianization are related to several stories of "usurpation" and "changes in sacrifices", including the usurpation of Mithothyn and the introduction of the worship of Frey at Uppsala, in that they utilize similar motifs and mythical figures.
The spread of Christianity in Denmark occurred intermittently. Danes encountered Christians when they participated in Viking raids from the 9th century to the 1060s. Their contempt for Christian teaching, sites, and those who lived a religious life was notorious. Danes were still tribal in the sense that local chiefs determined attitudes towards Christianity and Christians for their clan and kinsmen. Bringing Christian slaves or future wives back from a Viking raid brought large numbers of ordinary Danes into close contact with Christians for perhaps the first time.
As the chiefs and kings of Denmark became involved in the politics of Normandy, England, Ireland, France, and Germany, they adopted a kinder attitude toward their Christian subjects. In some cases the conversion of the chief or king appears to be purely political to assure an alliance or prevent powerful Christian neighbours from attacking. There were instances when the conversion of a powerful chief (Danish: jarl) or one of the kings was followed by wholesale conversions among their followers. In a few instances conversion was brought about by trial by ordeal miracles wrought by saintly Christians in the presence of the king or other great men of the time.
Christian missionaries recognized early on that the Danes did not worship stone or wooden idols as the north Germans or some Swedes did. They could not simply destroy an image to prove that Christ was a superior god. The great religious sites at Viborg, Leira, Lund, and Odense were also the location of Denmark's great assembly places (Danish: landsting). Religious sites in Denmark were often located at sacred springs, magnificent beech groves, or isolated hilltops. Missionaries simply asked to build chapels in those places. Over time the religious significance of the place transferred itself to the chapel.
Even after becoming Christian, Danes blended the two belief systems together. Families who lived close to the earth did not want to offend the local spirits (Danish: landvætter), so offerings were left just as they had been in pre-Christian days. Sacred springs (Danish: kilder) were simply consecrated to one of the local saints associated with the spring and life went on much as it had before. Christian missionaries were able to help the process along by locating churches on or near sacred places, in some cases actually using wood from the sacred groves for church construction. Thor's hammer sign was easily absorbed by the cross.
Denmark has several saints, canonized by local bishops as was the custom in early Scandinavia or revered by locals as saints. Often these saints derive their veneration from deeds associated with the Christianization of Denmark. Viborg has St Kjeld, Aarhus has St Niels (also called St Nickolas), Odense has St Canute (Danish: Sanct Knud). Others include Canute Lavard, Ansgar, St Thøger of Vendsyssel, St Wilhelm, St Leofdag of Ribe, and others gave their lives and efforts to the task of making the Danes Christian.
King Gorm the Old (Danish: den Gamle), who was known in his lifetime as Gorm the Sleepy, was the first king of all of Denmark. Until his day, Danish kings were local kings without influence over all the Danes. Denmark consisted of Jutland and Schleswig and Holstein all the way down to the Eider River, the main islands of Zealand, Funen, Langeland, the nearby lesser islands, and Skåneland. Gorm was said to be "hard and heathen", but Queen Thyra's influence permitted Christians to live more or less without trouble. Gorm and Queen Thyra's son, King Harald Bluetooth, boasted on one of the stones at Jelling that he had "made the Danes Christian".
The first Danish king to convert to Christianity was Harald Klak, who had himself baptised during his exile in order to receive the support of Louis the Pious. Rimbert reports that he set out to return home, accompanied by missionaries; however, Sanmark regards it as "unlikely" that he actually returned home and thus considers his impact on the conversion of Denmark as "probably minor."
Christianity only gained a strong hold in Denmark following the baptism of Harald Bluetooth. Initially, Harald had remained pagan, although he had allowed public preaching by Christian missionaries as early as 935. Around 960, Bluetooth converted to Christianity, reportedly when the Frisian monk Poppo held a fire-heated lump of iron in his hand without injury. Harald's daughter, Gunhilde, and his son, Sweyn Forkbeard were baptized, too. There was also a political reason for conversion. German histories record Harald being baptized in the presence of Emperor Otto I, Sweyn Forkbeard's godfather. One consequence of his conversion is that Danish kings abandoned the old royal enclosure at Jelling and moved their residence to Roskilde on the island of Zealand.
Sweyn rebelled against his father, who spent an inordinate amount of time and money raising a great stone at Jelling to commemorate his accomplishments. One day King Harald asked a traveller if he had ever seen human beings move such a heavy load. "I have seen Sweyn drag all of Denmark away from you, sir. Judge for yourself which of you bears the heavier weight." Harald left the stone lying in the path, realizing at last that Sweyn had nearly succeeded in stealing the whole kingdom. Several battles brought the rebellion to stalemate, but in 985 Harald was mortally wounded by an arrow. Later his remains were buried in the little timber church at Roskilde, then Denmark's capital. His remains are supposed to be walled up in one of the pillars of Roskilde Cathedral.
Sweyn Forkbeard tried to wrest control of the church in Denmark away from the Holy Roman Empire and as a result was slandered by German historians of his day. He has been accused of relapsing from his Christian beliefs and persecuting Christians in England. In fact Sweyn gave land to the large cathedral at Lund to pay for the maintenance of the chapter. His army destroyed Christian churches in England as part of his invasion following the St. Brice's Day massacre of Danes organized by Aethelred. But when Sweyn became King of England and of Denmark, politics required that he show a kinder face toward the church which had opposed him.
Another Christianizing influence was the mass emigration of Danes to England and Normandy in the Viking years. Thousands of Danes settled in east central England and in northern France displacing or intermarrying with the locals who were Christian. Once part of a Danish clan became Christian, it often meant that the rest of the family's view toward Christianity softened.
By the early 11th century, certainly during the reign of Canute IV, Denmark can be said to be a Christian country. Later known as St. Canute, Canute IV was murdered inside St. Albans Church in 1086 after nobles and peasants alike rebelled at his enforcing the tithe to pay for the new monasteries and other ecclesiatical foundations which were introduced into Denmark for the first time during his reign. Both the institutions and the tax were considered foreign influences, and Canute's refusal to use the regional assemblies as was customary to establish new laws, resulted in his death and that of his brother, Prince Benedict, and seventeen other housecarls. In many ways the canonization of St. Canute in 1188 marks the triumph of Christianity in Denmark. When St. Canute's remains were moved into Odense Cathedral, the entire nation humbled itself with a three day fast. Although he was not the first Dane to be made a saint, it was the first time for a king, the symbol of a more or less united Denmark, was recognized as an example worthy of veneration by the faithful.
From that time until 1536 when Denmark became a Lutheran country under the King (or Queen) of Denmark as the titular head of the Danish National Church, (Danish: Folkekirke) the struggle between the power of the king and nobles and the church would define much of the course of Danish history.
Faroe Islands 
Sigmundur Brestisson was the first Faroe-man to convert to the Christian faith, bringing Christianity to the Faroes at the decree of Olaf Tryggvason. Initially Sigmundur sought to convert the islanders by reading the decree to the Alting in Tórshavn but was nearly killed by the resulting angry mob. He then changed his tactics, went with armed men to the residence of the chieftain Tróndur í Gøtu and broke in his house by night. He offered him the choice between accepting Christianity or face beheading; he chose the former. Later on, in 1005, Tróndur í Gøtu attacked Sigmundur by night at his yard in Skúvoy, whereupon Sigmundur fled by swimming to Sandvík on Suðuroy. He reached land in Sigmundargjógv in Sandvík, but a farmer in the village killed the exhausted Sigmundur and stole his precious golden arm ring.
The first recorded attempts at spreading Christianity in Norway were made by King Haakon the Good in the tenth century, who was raised in England. His efforts were unpopular and were met with little success. The subsequent King Harald Greyhide, also a Christian, was known for destroying pagan temples but not for efforts to popularize Christianity.
He was followed by the staunchly pagan Haakon Sigurdsson Jarl who led a revival of paganism with the rebuilding of temples. When Harold I of Denmark attempted to force Christianity upon him around 975, Haakon broke his allegiance to Denmark. A Danish invasion force was defeated at the battle of Hjörungavágr in 986.
In 995 Olaf Tryggvason became King Olaf I of Norway. Olaf had raided various European cities and fought in several wars. In 986 however, he (supposedly) met a Christian seer on the Isles of Scilly. As the seer foretold, Olaf was attacked by a group of mutineers upon returning to his ships. As soon as he had recovered from his wounds, he let himself be baptized. He then stopped raiding Christian cities and lived in England and Ireland. In 995 he used an opportunity to return to Norway. When he arrived, Haakon Jarl was already facing a revolt, and Olaf Tryggvason could convince the rebels to accept him as their king. Haakon Jarl was later betrayed and killed by his own slave, while he was hiding from the rebels in a pig sty.
Olaf I then made it his priority to convert the country to Christianity using all means at his disposal. By destroying temples and torturing and killing pagan resisters he succeeded in making every part of Norway at least nominally Christian. Expanding his efforts to the Norse settlements in the west the kings' sagas credit him with Christianizing the Faroes, Orkney, Shetland, Iceland and Greenland.
After Olaf's defeat at the Battle of Svolder in 1000 there was a partial relapse to paganism in Norway under the rule of the Jarls of Lade. In the following reign of Saint Olaf, pagan remnants were stamped out and Christianity entrenched.
Nicholas Breakspear, later Pope Adrian IV, visited Norway from 1152 to 1154. During his visit, he set out a church structure for Norway. The Papal bull confirming the establishment of a Norwegian archdiocese at Nidaros is dated November 30, 1154.
Following King Olaf I's taking of Icelandic hostages, there was tension between the Christian and pagan factions in 10th century Iceland. Violent clashes were avoided by the decision of the Althing in 1000 AD to put the arbitration between them to Þorgeir Ljósvetningagoði, the leader of the pagan faction. He opted, after a day and a night of meditation, that the country should convert to Christianity as a whole, while pagan worship in private would continue to be tolerated.
The first known attempts to Christianize Sweden were made by Ansgar in 830, invited by the Swedish king Björn at Haugi. Setting up a church at Birka he met with little Swedish interest. A century later Unni, archbishop of Hamburg, made another unsuccessful attempt. In the 10th century English missionaries made inroads in Västergötland.
Adam of Bremen's historical treatise Gesta Hammaburgensis ecclesiae pontificum mentions a pagan Temple at Uppsala in central Sweden. "The reliability of Adam's description of the cult site at Gamla Uppsala has been seriously questioned." Although Uppsala's status as a pre-Christian cultic center is well documented, Adam's account could not be confirmed by archaeological findings. The "presumed cult buildings which have been excavated do not resemble Adam's description of a temple 'totally covered with gold."
The supporters of the cult at Uppsala drew a mutual agreement of toleration with Olof Skötkonung the first Christian king of Sweden who ascended to the throne in the 990s. Presumably Olof Skötkonung was not in a powerful enough position to violently enforce the observance of Christianity in Uppland. Instead he established an episcopal see at Skara in Västergötland, near his own stronghold at Husaby around 1000. Another episcopal see was established at Sigtuna in the 1060s, according to Adam vom Bremen by King Stenkil. This seat was moved to Gamla Uppsala probably some time between 1134 and 1140. This might have been because of Uppsala's importance as an old royal residence and thing site, but it may also have been inspired by a desire to show that the resistance to Christianity in Uppland had been defeated. By papal initiative an archdiocese for Sweden was established at Uppsala in 1164.
What may be one of the most violent occurrences between Christians and pagans was a conflict between Blot-Sweyn and Inge the Elder in the 1080s. This account survives in the Orkneyinga saga and in the last chapter of Hervarar saga where the saga successively moves from legendary history to historic Swedish events during the centuries before its compilation. The reigning king Inge decided to end the traditional pagan sacrifices at Uppsala which caused a public counter-reaction. Inge was forced into exile, and his brother-in-law Blot-Sweyn was elected king on condition that he allow the sacrifices to continue. After three years in exile, Inge returned secretly to Sweden in 1087, and having arrived at Old Uppsala, he surrounded the hall of Blot-Sweyn with his húskarls, and set the hall on fire, slaying the king as he escaped from the burning house. Hervarar saga reports that Inge completed the Christianization of the Swedes, but the Heimskringla suggests that Inge could not assume power directly, but had to dispose of yet another pagan king, Eric of Good Harvests.
According to M. G. Larsson, the reason why the Swedish core provinces had coexistence between paganism and Christianity throughout the 11th century was because there was a general support for the transition towards the new religion. However, the old pagan rites were important and central for legal processes and when someone questioned ancient practices, many newly Christianized Swedes could react strongly in support of paganism for a while. Larrson theorizes that, consequently, the vacillation between paganism and Christianity that are reported by the sagas and by Adam of Bremen were not very different from vacillations that appear in modern ideological shifts. It would have been impossible for King Inge the Elder to rule as a Christian king without strong support from his subjects, and a Norwegian invasion of Västergötland by Magnus Barefoot put Inge's relationship with his subjects to the test: he appears to have mustered most of the Swedish leidang, 3,600 men, and he ousted the Norwegian occupation force.
Although Sweden was officially Christianized by the 12th century, the Norwegian king Sigurd the Crusader undertook a crusade against Småland, the south-eastern part of the Swedish kingdom in the early 12th century, and officially it was in order to convert the locals.
On the northernmost runestone of the world standing on the island Frösön in central Jämtland, the Frösö Runestone, it is said that a man called Austmaðr Christianized the region, probably in the period 1030-1050 when the runestone was risen. Little is known of Austmaðr, but he is believed to have been the lawspeaker of the regional thing Jamtamót.
Judging by archaeological finds, Christianity gained a foothold in Finland during the 11th century. It was strengthened with growing Swedish influence in the 12th century and the Finnish "crusade" of Birger Jarl in the 13th century.
Christianization of the Baltic countries 
Lithuania and Samogitia were ultimately Christianized from 1386 until 1417 by the initiative of the Grand Duke of Lithuania Jogaila and his cousin Vytautas. This event ended one of the most complicated and lengthiest processes of Christianization in European history. However, pagan customs prevailed for a long time among the common people of Lithuania and were covertly practiced.
Motives for Conversion 
One of the more interesting aspects of the Scandinavian conversions to Christianity was not necessarily the conversions themselves, but why they chose to accept in the first place. While there are undoubtedly those who chose to accept the new religion as truth, it is possible that this wasn't always the case. For instance, some may have simply wanted to take the rich gifts, such as a fine, white baptismal garment, that were being handed out by Frankish nobles, who acted as the baptismal candidates' sponsors, when they were baptized. In the case of King Harold Bluetooth of Denmark, for example, he only partially converted to the new faith (at least at first) to preserve his independence from the Germans, who posed an even greater threat at the time than the Franks had been prior to this. He also saw that Christianity had much to offer to his rule. It not only helped to exalt his status, but it also provided practical help. The Missionary bishops were literate, and those who had experience of the royal government in Germany or England had the potential to be valuable advisors. There was also an economic motive for convergence as unconverted pagan kings were fascinated with Christian wealth. As a result, some chose to accept the new faith as a way to gain access to this wealth.
Last pagans 
In 1721, a new Danish colony was started in Greenland with the objective of converting the inhabitants to Christianity. Around the same time efforts were made in Norway and Sweden to convert the Sami, who had remained pagan long after the conversion of their neighbours. The Sami religion is still practiced by some.
Research shows that Scandinavian countries such as Denmark and Sweden are currently among the least religious nations in the world; nevertheless, "many Danes and Swedes, for instance, will profess belief in 'something,' although not necessarily the God of the Bible." Phil Zuckerman writes in a 2009 article to the Nordic Journal of Religion and Society, "Surely the historical developments of culture and religion in Denmark and Sweden are crucially informing factors in explaining the current state of irreligiosity."
See also 
- Christianization of Lithuania
- Christianization of Kievan Rus'
- Germanic Christianity
- Heimskringla – A mediaeval work that relates the lives of the two Norwegian missionary kings
- Northern Crusades
- Schön 2004, 170
- Schön 2004, 172
- Schön 2004, 173
- Sanmark 2004: 15
- Sanmark 2004: 97
- Hvitfeldt, Arild. Danmarks Riges Krønike
- "St Willibrord" Catholic Encyclopedia, 1913
- Robinson, Charles (1915). The Conversion of Europe. London:Longmans, Green & Co.
- Rimbert, "Anskar: The Apostle of the North, 801-865", trans. C.H. Robinson in Carolingian Civilization: A Reader ed. Paul Edward Dutton (Ontario, Canada: Broadview Press, 2004), chap. 10
- "Ancient See of Hamburg". Catholic Encyclopedia. 1913
- Rimbert, "Anskar: The Apostle of the North, 801-865", trans. C.H. Robinson in Carolingian Civilization: A Reader ed. Paul Edward Dutton (Ontario, Canada: Broadview Press, 2004), chap. 17.
- "Danmark's Ældste Domkirke" Kristelig Dagblad 25 July 2007
- Sanmark 2004: 107
- Sanmark 2004: 81
- Rimbert, The Life of Anskar (extract)
- Hvitfeldt, Arild. Danmarks riges Krønike
- Kaufhold 2001: 116
- Christianity, from a site on the Icelandic parliament.
- Kaufhold 2001, 85
- Sanmark 2004: 163
- Kaufhold 2001, 86
- Sanmark 2004: 100
- Sanmark 2004: 85
- Sanmark 2004: 109
- Kaufhold 2001, 117
- The epithet of this last king reflects one of the purposes of pre-Christian Germanic kingship, to promote harmony and good harvests, árs ok friðar.
- Larsson 2002, 160
- Larsson 2002, 161
- Sawyer, Bright; Sawyer, Peter (1999). "Why Trust The White Christ?". Christian History 18 (3): 22–25.
- Fodor, Eugene (1983). Fodor’s Scandinavia. New York. p. 37.
- Bæksted, Anders (1986). Goð og hetjur í heiðnum sið, Eysteinn Þorvaldsson translated to Icelandic. Reykjavík: Örn og Örlygur.
- Hoftun, Oddgeir (2008). Kristningsprosessens og herskermaktens ikonografi i nordisk middelalder, Oslo: Solum forlag. ISBN 978-82-560-1619-8 (Norwegian)
- Christianization of Sweden Encyclopædia Britannica article
- Kaufhold, Martin (2001), Europas Norden im Mittelalter, Wissenschaftliche Buchgesellschaft ISBN 3-89678-418-8 (German)
- Larsson, M. G. (2002). Götarnas riken. Upptäcksfärder till Sveriges enande. Atlantis, Stockholm. ISBN 91-7486-641-9. (Swedish)
- Sanmark, Alexandra: Power and conversion : a comparative study of Christianization in Scandinavia; Uppsala : Department of Archaeology and Ancient History, Uppsala University, Occasional papers in archaeology: 34; ISBN 91-506-1739-7 Also: Ph. D. Thesis, 2002 London, University College pdf
- Schön, Ebbe. (2004). Asa-Tors hammare, Gudar och jättar i tro och tradition. Fält & Hässler, Värnamo. ISBN 91-89660-41-2 (Swedish)