Historical biography archive · Updated 2026-11-03

Harold III the Ruthless Biography and Timeline

Follow Harold III the Ruthless through 4 dated historical records for Denmark.

Harold III the Ruthless, historical timeline

A chronological timeline drawn from matching World History Database records.

4Distinct records
1 of 1Page
1047–1066Years on this page

1047

Succession

King · House / House of Westfold

Succeeds as King of Norway. Succeeds as King of Denmark

Role range: 1045-1066

Unification

King · House / House of Westfold

Magnus I dies after jointly ruling Norway, Harold now rules over all of Norway

Role range: 1045-1066

1050

Oslo

King · Oslo · House / House of Westfold

Founds the city of Oslo

Role range: 1046-1066 – 1045-1066

1066

Battle of Stamford Bridge

King · Stamford Bridge · Warfare / Military

Killed in battle defending his brother Harold II of England

Role range: 1045-1066

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.