[PAR] [TLE] Olaf Guthfrithson [SEP] Olaf Guthfrithson (Old Norse: "Óláfr Guðrøðsson" ; ; Old Irish: "Amlaíb mac Gofraid" ; died 941) was a Viking leader who ruled Dublin and Viking Northumbria in the 10th century.  He was the son of Gofraid ua Ímair and great-grandson of Ímar, making him one of the Uí Ímair.  Olaf succeeded his father as King of Dublin in 934 and succeeded in establishing dominance over the Vikings of Limerick when he captured their king, Amlaíb Cenncairech, in 937.  That same year he allied with Constantine II of Scotland in an attempt to reclaim the Kingdom of Northumbria which his father had ruled briefly in 927.  The forces of Olaf and Constantine were defeated by the English led by Æthelstan at the Battle of Brunanburh. [PAR] [TLE] Battle of Brunanburh [SEP] The Battle of Brunanburh was fought in 937 between Æthelstan, King of England, and an alliance of Olaf Guthfrithson, King of Dublin; Constantine, King of Alba and Owen, King of Strathclyde.  One of the historiographical cruxes of this battle is the fact that it is often attributed to as the point of origin for English nationalism.  Additionally, historians such as Michael Livingston argue that "the men who fought and died on that field forged a political map of the future that remains [in modernity], arguably making the Battle of Brunanburh one of the most significant battles in the long history not just of England, but of the whole of the British Isles."
[PAR] [TLE] Olaf Guthfrithson [ SEP ] Olaf Guthfrithson ( Old Norse : " Óláfr Guðrøðsson " ; ; Old Irish : " Amlaíb mac Gofraid " ; died 941 ) was a Viking leader who ruled Dublin and Viking Northumbria in the 10th century . He was the son of Gofraid ua Ímair and great - grandson of Ímar , making him one of the Uí Ímair . Olaf succeeded his father as King of Dublin in 934 and succeeded in establishing dominance over the Vikings of Limerick when he captured their king , Amlaíb Cenncairech , in 937 . That same year he allied with Constantine II of Scotland in an attempt to reclaim the Kingdom of Northumbria which his father had ruled briefly in 927 . The forces of Olaf and Constantine were defeated by the English led by Æthelstan at the Battle of Brunanburh . [PAR] [TLE] Battle of Brunanburh [ SEP ] The Battle of Brunanburh was fought in 937 between Æthelstan , King of England , and an alliance of Olaf Guthfrithson , King of Dublin ; Constantine , King of Alba and Owen , King of Strathclyde . One of the historiographical cruxes of this battle is the fact that it is often attributed to as the point of origin for English nationalism . Additionally , historians such as Michael Livingston argue that " the men who fought and died on that field forged a political map of the future that remains [ in modernity ] , arguably making the Battle of Brunanburh one of the most significant battles in the long history not just of England , but of the whole of the British Isles . "
In which year, was the son Gofraid ua Ímair who had succeeded his father recently as king defeated by the English led by Æthelstan?
In which year , was the son Gofraid ua Ímair who had succeeded his father recently as king defeated by the English led by Æthelstan ?
937
937