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Athelstan died in 939 and Olaf Guthfrithson, king of Dublin at the time, invaded Northumbria and compelled Edmund, Athelstan's successor, to surrender Deira. When Olaf Guthfrithson died in 942, Olaf Cuaran succeeded him, finally recovering the throne of his father in addition to the throne of Dublin. Two years later, however, Edmund expelled him from Northumbria and Olaf was left with only Dublin.
Olaf managed to regain his lands in Northumbria in 949, only to be expelled again in 952Events Hugh Capet marries Adelaide of Aquitaine Deaths Emperor Suzaku of Japan Hugh the Black, Duke of Burgundy 952., this time by Erik Bloodaxe.
In 980Events Births Emperor Ichijo of Japan Humbert I of Savoy Avicenna Godiva, Countess of Mercia Deaths 980., Olaf suffered a massive defeat at the Battle of Tara , which destroyed the power of the Danes in Ireland. He went to IonaAlternate uses: see Iona (disambiguation). Iona population 175, is a small island (1 mile wide, 3. 5 miles long) of the Inner Hebrides, Scotland. In 563 Saint Columba, exiled from his native Ireland, founded a monastery here, and from here Christianity sp and probably died there in 981.
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Preceded by: | List of Norse monarchs of Dublin |
Succeeded by: |
Ketil Ken Nygaard's Genealogy, http://nygaard.howards.net/files/2507.htm