BattlefieldsBattle of Anglesey — Rhodri Mawr Kills Danish Leader Horm 856
Early Medieval

Battle of Anglesey — Rhodri Mawr Kills Danish Leader Horm 856

856
Ynys Môn / Isle of Anglesey, Wales
Era
Early Medieval
Battle Type
Pitched Battle
Location
Ynys Môn / Isle of Anglesey, Wales
Status
Unregistered
The Combatants

Who Fought

Forces
Not recorded in historical accounts
Forces
Danish Viking raiding fleet
VS
Victor
Not recorded in historical accounts
Forces
Gwynedd forces under Rhodri Mawr
Outcome
Welsh victory; Danish leader Horm slain, raid repulsed
The Battle

History & Significance

Rhodri Mawr of Gwynedd defeats and kills the Danish sea-king Horm in battle on or near Anglesey, halting a major Viking raid. The victory was celebrated across the Christian world and Rhodri was praised by Frankish scholars. It demonstrated Welsh capacity to repel Norse attacks.

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