Kingdom of Northumbriaball

 was an Anglo-Saxon kingdom in what is modern day Englandball and southeastern  Scotlandball.

History
 was born after the fusion of Deiraball and  Berniciaball.

Vikings!
The first every viking raid took place in  Kingdom of Northumbriaball's clay in the island of Lindisfarne. The Vikings continued to invade and pillage until the establishment of the Danelawball in his southern clay, which expanded until it owned most of his clay. Kingdom of Wessexball united with Northumbriaball and  Merciaball into the  Kingdom of Englandball, and proceeded to kick the vikings out of Great Britain.