Historical biography archive · Updated 2026-11-03

Halfdan Ragnarsson Biography and Timeline

Follow Halfdan Ragnarsson through 3 dated historical records for Denmark.

Halfdan Ragnarsson, historical timeline

A chronological timeline drawn from matching World History Database records.

3Distinct records
1 of 1Page
865–873Years on this page

865

Great Heathen Army

King · East Anglia · Warfare / Viking Invasions

Halfdan helps lead the Great Heathen Army as it establishes winter quarters in East Anglia and prepares for wider conquest.

Role range: 0865-0873

867

Great Heathen Army

King · Northumbria · Warfare / Viking Invasions

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

Role range: 0865-0873

873

Great Heathen Army

King · Repton · Warfare / Viking Invasions

Halfdan's army winters at Repton after campaigning in Mercia and strengthens Viking control in the Midlands.

Role range: 0865-0873

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.