The Viking raid on Galicia and Asturias occurred in 844. Many longships were lost in the attack and the fleet retreated to Aquitaine.[7]
- ^ Collins, Roger. Early Medieval Spain: Unity in Diversity, 400–1000. p. 193.
- ^ Kendrick, Sir Thomas D. (24 October 2018). A History of the Vikings. ISBN 9781136242397.
- ^ Haywood, John (2015). Northmen: The Viking Saga, AD 793–1241. p. 166. ISBN 9781781855225.
- ^ Flood, Timothy M. (2018). Rulers and Realms in Medieval Iberia, 711–1492. McFarland. p. 30.
- ^ An Universal History, from the Earliest Account of Time, Volume 19. 1760.
- ^ "Viking culture, people and history" (PDF). Archived from the original (PDF) on 2019-05-17. Retrieved 2019-07-20.
- ^ Ferguson, Robert (2012). The Viking Age.