OCR Specification focus:
‘The return of the Vikings (including Olaf Guthfrithson as King of York); the recovery of the northern Danelaw’
The Viking resurgence of the mid-10th century tested the stability of English rule, prompting significant military and political efforts to recover the northern Danelaw.
Background to the Viking Resurgence
The early 10th century had seen substantial progress in uniting England under West Saxon leadership. However, the death of Athelstan in 939 marked a turning point. His successor, King Edmund I (939–946), faced a renewed threat from Scandinavian rulers eager to reclaim lost territory, particularly in the northern Danelaw — the region formerly under Viking control in the north and east of England.
Causes of the Renewed Viking Threat
Several factors contributed to the Viking resurgence:
Dynastic ambition: Leaders such as Olaf Guthfrithson, King of Dublin, sought to consolidate power in both Ireland and England.
Weakening of central control: The transition from Athelstan to Edmund presented an opportunity for challengers.
Scandinavian alliances: Norse rulers in Ireland and Scotland provided military support to Viking claimants in England.
Danelaw: The region of England where laws and customs were influenced by Scandinavian settlers, established after Viking conquests in the late 9th century.
Olaf Guthfrithson and the Seizure of York
In 939, Olaf Guthfrithson took advantage of political instability to capture York, the heart of the northern Danelaw.

Silver penny of Olaf (Anlaf) Guthfrithsson, minted at York c. 939–941. The obverse shows a stylised raven-like bird, with the reverse bearing a small cross. This object exemplifies Viking control of York at precisely the moment highlighted in the syllabus. Source
York was of strategic importance:
It served as the political centre for Viking-controlled Northumbria.

Map of the Kingdom of Jórvík, showing the Viking polity centred on York during the 10th century. This visual locates the core territory whose control changed hands in 939–944 and supports discussion of York’s political weight in the northern Danelaw. Source
It provided access to trade networks across the North Sea and into the Irish Sea.
Olaf’s control of York forced Edmund to negotiate. In 940, a peace agreement was reached, ceding much of the Danelaw north of Watling Street to Viking control.
Edmund’s Counteroffensive and the Recovery of the North
By 944, circumstances shifted in Edmund’s favour:
Internal Viking divisions weakened Olaf’s successors, including Olaf Sihtricson and Ragnall.
Edmund forged alliances with local rulers, including support from certain Northumbrian factions.
Coordinated military campaigns by the English forced Viking leaders into retreat.
The recovery culminated in the expulsion of Viking rulers from York in 944, bringing Northumbria under English control. This was a significant step towards consolidating the kingdom.
Political and Military Strategies Used
Edmund’s recovery of the northern Danelaw relied on:
Diplomatic manoeuvres: Securing loyalty from northern ealdormen and church leaders.
Military expeditions: Targeted campaigns designed to undermine Viking strongholds.
Naval deployments: Ensuring control of coastal access to prevent reinforcements from Ireland or Norway.
Ealdorman: A high-ranking royal official governing a large region (shire or group of shires) on behalf of the king.
Significance of the Recovery
The recovery of the northern Danelaw had far-reaching consequences:
Political Unity
The incorporation of Northumbria strengthened the concept of a unified English kingdom under one ruler.
It reinforced the king’s role as a protector against external threats.
Strategic Security
Control over York reduced the likelihood of further Scandinavian invasions from the Irish Sea.
It allowed greater integration of the north into royal administration.
Religious and Cultural Influence
The reassertion of English authority brought the Church in Northumbria into closer alignment with southern religious reforms.
English law codes and coinage spread further into the north.
Continuing Challenges After 944
Despite this success, Viking threats did not vanish:
Norse rulers in Ireland and the Isles continued to raid coastal areas.
Scottish and Norse alliances remained a potential source of instability.
York’s loyalty was not always secure, requiring continued royal attention.
Northumbria: A historical kingdom in the north of England, including the important city of York, which was often contested between Anglo-Saxon and Viking rulers.
Legacy of the Viking Resurgence and Recovery
The events between 939 and 944 demonstrated:
The resilience of English kingship in the face of renewed Scandinavian challenges.
The importance of flexible leadership, combining military action with diplomacy.
How the control of strategic locations such as York shaped the trajectory of English unification.
By the mid-10th century, the recovery of the northern Danelaw under Edmund had reinforced the kingdom’s territorial integrity, but the lingering presence of Viking powers meant that future rulers, such as Eadred, would have to continue defending these gains.
FAQ
The Irish Sea acted as a vital link between Viking-controlled Dublin and York. Olaf Guthfrithson could draw troops, resources, and political support from Norse-Irish allies, enabling his seizure of York in 939.
These maritime routes also allowed for rapid troop movements and supply lines, making it difficult for the English to isolate Viking forces until naval control was reasserted.
York was the largest urban centre in northern England, serving as a base for both political authority and trade.
It linked inland routes via the River Ouse to the North Sea and Irish Sea, giving Vikings control over regional commerce and facilitating alliances with rulers in Ireland and Scandinavia.
Rather than relying solely on military force, Edmund cultivated alliances with influential Northumbrian nobles and church leaders.
By undermining Viking unity, he isolated their rulers and encouraged defections. This reduced resistance and made the eventual expulsion of Viking leaders in 944 far more achievable.
Olaf Guthfrithson’s control of York was relatively short-lived; he returned to Dublin after English advances and internal Viking disputes.
He died in 941, possibly during a raid in Ireland. His death further destabilised Viking leadership in the north, opening the way for Edmund’s reconquest.
After regaining York, the English crown extended its coinage system into the north.
Coins were minted bearing the king’s name and symbols of royal authority.
This helped assert control, integrate the region economically, and replace Viking motifs such as the raven type used under Olaf Guthfrithson.
Practice Questions
Question 1 (2 marks)
Name two factors that helped Edmund I recover the northern Danelaw from Viking control in 944.
Question 1 (2 marks)
Award 1 mark for each correct factor identified, up to a maximum of 2 marks.
Possible answers include:
Internal Viking divisions (1 mark)
Alliances with local rulers or Northumbrian factions (1 mark)
Military expeditions targeting Viking strongholds (1 mark)
Naval deployments to block reinforcements (1 mark)
Question 2 (5 marks)
Explain two ways in which the control of York was significant for both Viking rulers and the English crown during the period 939–944.
Question 2 (5 marks)
Level 1 (1–2 marks):
Simple or generalised statements about York’s significance, with little or no supporting detail.
Example: “York was important for trade” (1 mark).
Level 2 (3–4 marks):
Clear explanations of two relevant points about York’s significance, each supported by accurate factual detail from the period 939–944.
Example: “For the Vikings, York was the political centre of Northumbria, giving them authority over the northern Danelaw” (1–2 marks) AND “For the English crown, regaining York in 944 removed a major strategic base for future Viking invasions and strengthened the unity of the kingdom” (1–2 marks).
Level 3 (5 marks):
Well-developed explanations of two relevant points, both supported by precise and relevant knowledge, showing clear understanding of the historical context.
Example: Detailed discussion of York as a political and economic hub under Olaf Guthfrithson, and its role in trade routes across the North Sea and Irish Sea, linked with analysis of how Edmund’s recovery of York reinforced royal control and reduced external threats. Each point awarded up to 2–3 marks, with a total of 5 marks for a complete and well-explained answer.