House Guthrum

The Danish warlord who secured East Anglia after defeat at Edington.

The term 'House Guthrum' does not appear in historical records; however, King Guthrum was a central figure among the Danish warlords who led the Great Heathen Army into Anglo-Saxon England. In early 878, he launched a surprise attack on Chippenham, forcing King Alfred the Great into hiding within the marshes of Athelney. After rallying local forces, Alfred confronted and defeated Guthrum at Edington in May 878. Following this decisive victory, Guthrum agreed to terms that included his baptism, withdrawal to East Anglia, and the establishment of peace through the Treaty of Wedmore.

Quick Facts

Leader: Guthrum
Affiliation: Great Heathen Army
Region: East Anglia, Cambridge

Lore & Background

Guthrum arrived in Cambridge, East Anglia, after separating from Halfdan Ragnarsson's forces. By 875, his army eluded West Saxon levies and occupied Wareham, exchanging hostages and oaths for payment before slipping away to Exeter. In autumn 877, they concluded a 'firm peace' in Gloucester, promising to leave Alfred's kingdom. Instead, they attacked Chippenham in midwinter after Twelfth Night, likely on the night of 6/7 January 878. This forced Alfred to retreat with a small force into Athelney. The subsequent Battle of Edington, fought between 4–7 May 878, saw Guthrum's army routed and besieged for two weeks in their stronghold. Unlike previous treaties at Wareham and Exeter, this agreement was enforced by military defeat. Guthrum accepted baptism, promised to leave the kingdom, and established a lasting peace that preserved Wessex as an independent kingdom.

Reader's Guide

Guthrum led a faction within the Great Heathen Army alongside other Danish lords, though he lost support from figures like Ivar the Boneless and Ubba before attacking Wessex. His forces suffered significant losses in a storm off Swanage during 876–877, with 120 ships wrecked. The leadership structure relied on Guthrum's ability to negotiate treaties while maintaining military pressure. After Edington, his strategy shifted from conquest to settlement, establishing control over East Anglia under Christian rule. The faction's cohesion was tested by internal divisions and the ideological shift caused by baptism. While modern estimates suggest the Great Heathen Army numbered between five hundred and a thousand men, Guthrum's specific warband size remains unrecorded. His legacy is defined by the Treaty of Wedmore, which ended immediate hostilities and allowed Danish settlement in East Anglia.

Did You Know?

The Battle of Edington was fought between 4–7 May 878 at Eðandun near Edington, Wiltshire.
After his defeat, Guthrum agreed to be baptized and swore oaths to leave Alfred's kingdom.
The Anglo-Saxon Chronicle records that a storm wrecked 120 ships at Swanage in 877, after the army left Wareham and before they occupied Exeter.
The Great Heathen Army's size is estimated between five hundred and a thousand men, though annals do not report exact numbers.