page_title: Jomsvikings
section_title: History
hierarchical_section_title: Jomsvikings / History
caption_attribution_description: After the Battle of Fyrisvall. Beorn the Strident and Strong (Styrbjörn starke) injured. Proposed Decoration of the Walls in the Upper Hall of the NM
context_page_description: The Jomsvikings were an order of Viking mercenaries or brigands of the 10th century and 11th century. They were staunchly Pagan and dedicated to the worship of such deities as Odin and Thor. They reputedly would fight for any lord able to pay their substantial fees and occasionally fought alongside Christian rulers. Although they were Pagan, the institutions of the Jomsvikings in some ways foreshadowed those of the Christian Knightly Orders of the later Middle Ages.
  The legend of the Jomsvikings appears in some of the Icelandic sagas from the 12th and 13th centuries. According to the sagas, their stronghold Jomsborg was located on the southern shore of the Baltic Sea, but the exact location is disputed by modern historians and archeologists. Most scholars locate it on the hill Silberberg, north of the town of Wolin on Wolin island in modern-day Poland. Jomsborg is thought by some researchers to be identical with Jumne, Julin and Vineta, which are mentioned in both Danish and German records from the Middle Ages.
  Historians still debate the accuracy of the accounts of the Jomsvikings.
context_section_description: There are different accounts for the origins of the order. Gesta Danorum (book 10) tells that a settlement named Julinum was conquered by the King of Denmark, Harald Bluetooth, who gave it to the Swedish prince Styrbjörn the Strong. Harald then provided Styrbjörn with a strong force with which Styrbjörn terrorized the seas. The Knýtlinga saga agrees by giving Harald as the founder of the Jomsvikings, but the story of Styrbjörn is not connected to the Jomsvikings. The Jómsvíkinga saga says that the settlement was founded by Palnatoke, receiving the location from the mythical Wendish ruler Burislav. Styrbjarnar þáttr Svíakappa and Eyrbyggja saga agree with all previously mentioned versions by making Styrbjörn take command of the Jomsvikings after they already had been established. Styrbjarnar þáttr Svíakappa also tells that among the Norse there were many men from the "East land" arriving at Jomsborg, suggesting that it was a settlement of mixed ethnicity. Jomsviking chieftains included Palnatok, Styrbjörn the Strong, Sigvaldi Strut-Haraldsson, Thorkell the High, and Hemeng.
  Accounts of their size vary. In various sources, Jomsborg was supposed to have held anywhere from 30 to 300 ships in its harbor. However some historians believe Jomsborg was largely a market center with its Danish garrison imposed on the Wends.
  Gesta Danorum (book 10), Styrbjarnar þáttr Svíakappa and Eyrbyggja saga relate that in the early 980s, the exiled Swedish prince Styrbjörn the Strong brought the Jomsvikings to a devastating defeat against Styrbjörn's uncle King Eric the Victorious at the Battle of the Fýrisvellir, Uppsala, in 984 or 985, while trying to take the crown of Sweden by force of arms. The fact that the Jomsvikings lost was attributed to a pact which the Swedish king Eric made with Odin. Three runestones from this time, the Högby Runestone ("the brave champion Asmund fell on the Fyrisvellir"), one of the Hällestad Runestones, labelled DR 295 ("he did not flee at Uppsala"), and the Sjörup Runestone ("He did not flee at Uppsala, but slaughtered as long as he had a weapon"), relate to deaths with honour at Uppsala, probably three Jomsvikings. The battle is also commemorated, in poetry, by the Icelandic skald Þórvaldr Hjaltason, who took part in the battle on the Swedish side.Jómsvíkinga saga tells that in 986, they attacked Haakon Jarl in Norway and were defeated in the Battle of Hjörungavágr. The saga recounts that Jomsvikings captured by the Norwegians and about to be executed exhibited courage and defiance, some being eventually spared by their captors. The Jómsvíkinga saga ends with a brief explanation of the battle's aftermath and, in fact, points to this battle as the beginning of the end for the Jomsvikings.
  After these two decisive defeats, the power of the Jomsvikings waned, but Olaf Trygvasson's Saga relates that they played a decisive, if treacherous, role in the Battle of Svolder in 1000. At Svolder, a Jomsviking force led by Sigvald Jarl abandoned King Olaf of Norway and joined forces with his enemies to annihilate his fleet. This action may have been intended to fight the Christianization of Scandinavia, which had been forcibly promoted by Olaf. As it happened though, the Danish king Sweyn Forkbeard, who won the Norwegian throne when the sea battle ended, was (at least nominally) a Christian.  He and his father, King Harald Bluetooth of Denmark, are reported to have been baptized in 965. Their decline continued over the next few decades.
  According to the Heimskringla, King Magnus I of Norway decided to put an end to the Jomsviking threat. As part of consolidating his control of Denmark, he sacked Jomsborg, destroyed the fortress and many of the inhabitants were killed in 1043.
caption: After the Battle of the Fýrisvellir, by Mårten Eskil Winge (1888)
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