Capture of York
Halfdan participated in the capture of York from the divided Northumbrian kingdom.
Permanent historical records · Updated 2026-11-03
866 in Denmark
Explore 6 historical events and records for Denmark in 866.
Historical records for Denmark in 866
Sorted by month and day. Records with no month are shown last. Showing 6 of 6 unique records.
6Unique records
1 of 1Page
3Named events on this page
2Named people on this page
2Places on this page
November
Capture of York
Ivar helped seize York, creating the principal Scandinavian political centre in northern England.
Capture of York
The Danes capture York and make it a major Viking stronghold in Northumbria.
Great Heathen Army
Ivar helps capture York while Northumbria is weakened by rivalry between Aella and Osberht.
Other events (month unknown)
Invasion of Northumbria
Ivar leads Danish forces north while Northumbria is weakened by rivalry between Aella and Osberht.
Invasion of Northumbria
The Danes move north into Northumbria, exploiting conflict between Osberht and Aella.
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.