Northumbria
Overview
 
Northumbria was a medieval kingdom of the Angles
Angles
The Angles is a modern English term for a Germanic people who took their name from the ancestral cultural region of Angeln, a district located in Schleswig-Holstein, Germany...

, in what is now Northern England
Northern England
Northern England, also known as the North of England, the North or the North Country, is a cultural region of England. It is not an official government region, but rather an informal amalgamation of counties. The southern extent of the region is roughly the River Trent, while the North is bordered...

 and South-East Scotland
South of Scotland (Scottish Parliament electoral region)
South of Scotland is one of the eight electoral regions of the Scottish Parliament which were created in 1999. Nine of the parliament's 73 first past the post constituencies are sub-divisions of the region and it elects seven of the 56 additional-member Members of the Scottish Parliament...

, becoming subsequently an earl
Earl
An earl is a member of the nobility. The title is Anglo-Saxon, akin to the Scandinavian form jarl, and meant "chieftain", particularly a chieftain set to rule a territory in a king's stead. In Scandinavia, it became obsolete in the Middle Ages and was replaced with duke...

dom in a united Anglo-Saxon
Anglo-Saxon
Anglo-Saxon may refer to:* Anglo-Saxons, a group that invaded Britain** Old English, their language** Anglo-Saxon England, their history, one of various ships* White Anglo-Saxon Protestant, an ethnicity* Anglo-Saxon economy, modern macroeconomic term...

 kingdom of England. The name reflects the approximate southern limit to the kingdom's territory, the Humber Estuary.

Northumbria was formed by Æthelfrith
Æthelfrith of Northumbria
Æthelfrith was King of Bernicia from c. 593 until c. 616; he was also, beginning c. 604, the first Bernician king to also rule Deira, to the south of Bernicia. Since Deira and Bernicia were the two basic components of what would later be defined as Northumbria, Æthelfrith can be considered, in...

 in central Great Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

 in Anglo-Saxon
Anglo-Saxon
Anglo-Saxon may refer to:* Anglo-Saxons, a group that invaded Britain** Old English, their language** Anglo-Saxon England, their history, one of various ships* White Anglo-Saxon Protestant, an ethnicity* Anglo-Saxon economy, modern macroeconomic term...

 times. At the beginning of the 7th century the two kingdoms 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....

 and Deira
Deira
Deira was a kingdom in Northern England during the 6th century AD. Itextended from the Humber to the Tees, and from the sea to the western edge of the Vale of York...

 were unified.
 
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