- en.wikipedia.org HedebyHedeby is mentioned in Hans Christian Andersen's fairy tale The Marsh King's Daughter. Name[edit]. Site of the former town of Hedeby.
- worldhistory.org Hedeby/The town was briefly captured by the Franks in 934 CE and then reoccupied by them in 974 CE; the Danes did not succeed in taking Hedeby back until 983 CE.
- Hedeby and Danevirke are an outstanding testament to the Viking Age. ... Hedeby was a flourishing trade centre in this border region.
- worldheritage-education.eu en/sites/haithabuHedeby and the Danevirke were inscribed as UNESCO-World Heritage Site as “Archaeological Border Complex of Hedeby and the Danevirke”.
- hejsonderborg.dk hedeby-a-viking-town/Having control of Hedeby meant that you had control of the North Sea-Baltic Sea traffic, and helped in the development of Hedeby as a major trading town.
- spottinghistory.com view/4553/hedeby/Hedeby is known to exist as early as in the 8th century. A written source tells of the arrival of King Godfred to Hedeby in 804 with his army.
- worldatlas.com articles/what-was-hedeby.htmlThe earliest mention of Hedeby occurred in the 804 Frankish chronicles of Einhard, although the settlement was likely established in 770.
- european-traveler.com germany/visit-the-hedeby-…Hedeby, in present-day northern Germany, was a trading post that developed into the second-largest Viking city in northern Europe.
- britannica.com place/HedebyHedeby, in medieval Danish history, trade centre at the southeastern base of the Jutland Peninsula on the Schlei estuary.