Permanent historical records ยท Updated 2026-11-03

867 in Denmark

Explore 11 historical events and records for Denmark in 867.

Historical records for Denmark in 867

Sorted by month and day. Records with no month are shown last. Showing 11 of 11 unique records.

11Unique records
1 of 1Page
9Named events on this page
3Named people on this page
4Places on this page

March

Battle of York

Ivar the Boneless ยท York ยท Warfare / Viking Invasions

Ivar's forces defeat the Northumbrian counterattack at York and destroy the armies of Aella and Osberht.

Death of Aella

Ivar the Boneless ยท York ยท Warfare / Viking Invasions

Aella of Northumbria is killed after the Viking victory at York, ending organised Northumbrian resistance.

Death of Osberht

Ivar the Boneless ยท York ยท Warfare / Viking Invasions

Osberht of Northumbria is killed during the failed Northumbrian attempt to retake York from the Danes.

Great Heathen Army

Ubba ยท York ยท Warfare / Viking Invasions

Ubba fights in the Viking victory at York, where the Northumbrian kings Aella and Osberht are defeated.

Other events (month unknown)

Capture of York

Ivar the Boneless ยท York ยท Warfare / Viking Invasions

Helps capture York as a leader of the "Great Army". Establishes a Danish Viking Kingdom in York

Conquest of Northumbria

Ivar the Boneless ยท York ยท Viking Commander ยท Warfare / Viking Invasions

Ivar defeated the rival Northumbrian kings and established Scandinavian control around York.

Great Army

Ivar the Boneless ยท York ยท Warfare / Viking Invasions

Helps capture York as a leader of the "Great Army"

Great Heathen Army

Halfdan Ragnarsson ยท Northumbria ยท Warfare / Viking Invasions

Halfdan consolidates Viking power in Northumbria after the defeat of the Northumbrian royal armies.

Invasion of Mercia

Ivar the Boneless ยท Mercia ยท Warfare / Viking Invasions

The Vikings invade Mercia but are driven back

Invasion of Mercia

Ivar the Boneless ยท Nottingham ยท Warfare / Viking Invasions

Ivar and the Great Heathen Army move south into Mercia and seize Nottingham as a winter base.

Rule of Northumbria

Ivar the Boneless ยท Northumbria ยท Warfare / Viking Invasions

Northumbria becomes a Viking client state, Egbert is installed as a puppet ruler

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.