The Battle of Stainmore was a battle, likely between the Earldom of Bernicia

Bernicia

Bernicia was an Anglo-Saxon kingdom established by Anglian settlers of the 6th century in what is now southeastern Scotland and North East England....

, led by Osulf, and the forces of the last Norse

Norsemen

Norsemen is used to refer to the group of people as a whole who spoke what is now called the Old Norse language belonging to the North Germanic branch of Indo-European languages, especially Norwegian, Icelandic, Faroese, Swedish and Danish in their earlier forms.The meaning of Norseman was "people...

 king of Jórvík

Jórvík

Scandinavian York is a term, like the terms Kingdom of Jórvík or Kingdom of York, used by historians for the kingdom of Northumbria in the late 9th century and first half of the 10th century, when it was dominated by Norse warrior-kings; in particular, it is used to refer to the city controlled by...

 (York

York

York is a walled city, situated at the confluence of the Rivers Ouse and Foss in North Yorkshire, England. The city has a rich heritage and has provided the backdrop to major political events throughout much of its two millennia of existence...

), Eric Bloodaxe

Eric Bloodaxe

Eric Haraldsson , nicknamed ‘Bloodaxe’ , was a 10th-century Scandinavian ruler. He is thought to have had short-lived terms as the second king of Norway and possibly as the last independent ruler of the kingdom of Northumbria Eric Haraldsson (Eric, anglicised form of ; died 954), nicknamed...

. According to Frank Stenton, the battle resulted in Eric being slain by Maccus, the son of Olaf, the dissolution of the Kingdom of Jórvík under King Edred of England

Edred of England

Eadred was the king of England from 946 until his death in 955, in succession to his elder brother Edmund I.-Background and succession:...

 and the integration of its territories into those of Bamburgh as the Earldom of Northumbria

Earl of Northumbria

Earl of Northumbria was a title in the Anglo-Danish, late Anglo-Saxon, and early Anglo-Norman period in England. The earldom of Northumbria was the successor of the ealdormanry of Bamburgh, itself the successor of an independent Bernicia. Under the Norse kingdom of York, there were earls of...

.