Aethelwulf Defeats Vikings At Aclea
Aethelwulf's forces won a major victory over a Viking army at Aclea, strengthening West Saxon resistance.
Permanent historical records · Updated 2026-11-03
851 in England
Explore 7 historical events and records for England in 851.
Historical records for England in 851
Sorted by month and day. Records with no month are shown last. Showing 7 of 7 unique records.
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Other events (month unknown)
Battle of Aclea
Wipes out a Viking force transported by 350 ships south of the Thames
Battle of Aclea
The Danes are defeated at Oakley, the forces of Wessex gain a rare victory
Battle of Sandwich
Defeats the Danish fleet off Sandwich
Siege of Canterbury
The Vikings are defeated by the King of the Kentishmen & West Saxons
Siege of Canterbury
Canterbury cathedral is sacked by the Danes
Siege of London
The Vikings defeat Beorhtwulf at London
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.