Cirencester Charter Witness
Constantine II again appears at Athelstan's court and witnesses a royal diploma at Cirencester with other British rulers.
Role range: 0900-0943
Historical biography archive · Updated 2026-11-03
Constantine II Biography and Timeline — Page 2
Follow Constantine II through 59 dated historical records for Scotland.
Constantine II, historical timeline
A chronological timeline drawn from matching World History Database records.
59Distinct records
2 of 2Page
935–954Years on this page
935
Dynastic Marriage with Olaf
During the 930s, a daughter of Constantine II marries Olaf Guthfrithson, strengthening political cooperation between Alba and the Dublin Norse.
Role range: 0900-0943
937
Alliance with Olaf Guthfrithson
Constantine II allies with Olaf Guthfrithson of Dublin in opposition to Athelstan's dominance in northern Britain.
Role range: 0900-0943
Alliance with Strathclyde
Constantine II joins the ruler of Strathclyde and Olaf Guthfrithson in the coalition formed against Athelstan.
Role range: 0900-0943
Battle of Brunanburh
Constantine II joins Olaf Guthfrithson and the Strathclyde Britons against Athelstan but the coalition is defeated at the Battle of Brunanburh.
Role range: 0900-0943
Campaign into England
Constantine II's Scots join Norse and Strathclyde forces in a campaign against Athelstan before the coalition meets the English army.
Role range: 0900-0943
Cellach Killed at Brunanburh
Cellach, a son of Constantine II, is reported among the coalition dead following the defeat at Brunanburh.
Role range: 0900-0943
Post-Brunanburh Withdrawal
After the defeat at Brunanburh, Constantine II returns to Alba with his surviving forces.
Role range: 0900-0943
938
Death of Dubacan Recorded
The Chronicle of the Kings of Alba records the death of Dubacan, identified as mormaer of Angus, during Constantine II's reign.
Role range: 0900-0943
939
Death of Athelstan
Athelstan dies in 939, ending the reign of the English king who had invaded Constantine II's realm and defeated his coalition at Brunanburh.
Role range: 0900-0943
Northumbrian Balance Changes after Athelstan
Athelstan's death alters the political balance south of Constantine II's kingdom as Viking power quickly returns to Northumbria.
Role range: 0900-0943
943
Abdication
Constantine II abdicates after a long reign and is succeeded by Malcolm I.
Role range: 0900-0943
Culdee Retirement
After leaving the throne, Constantine II enters the religious community associated with the Céli Dé at St Andrews.
Role range: 0900-0943
Forty-Three-Year Reign Ends
Constantine II ends a reign of roughly forty-three years, one of the longest reigns among medieval Scottish monarchs.
Role range: 0900-0943
Malcolm I Succeeds
Malcolm I becomes King of Alba after Constantine II relinquishes the throne.
Role range: 0900-0943
Malcolm I from Rival Dynastic Branch
Constantine II is succeeded by Malcolm I, a son of Donald II from another branch of the same royal dynasty.
Role range: 0900-0943
952
Death at St Andrews
Constantine II dies at St Andrews in 952 after nearly a decade in retirement from kingship.
Role range: 0900-0943
Iona Burial Tradition
Later royal lists and traditions associate Constantine II's burial with Iona after his death in 952.
Role range: 0900-0943
954
Son Indulf Becomes King
Two years after Constantine II's death, his son Indulf succeeds Malcolm I as King of Alba, continuing Constantine's dynastic line.
Role range: 0900-0943
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.