915 - Vikings ransomed a bishop

The grandchild of Olaf, the father to Gorm the old became king.
A united Danish and Slav raid in the Hamburg Sprengel area.
Ragnvald and Sigtryg the squint eyed won a battle at Corbridge, and gained control of York.

Viking Jorvik 886-954

Vikings attacked Dublin and regained control from the Irish
A large Viking fleet arriving from the Éuropean continent ravaged Gwent as far inland as Archenfield, capturing the bishop of Llandaff, named Cameleac, who was later ransomed by the Wessex king Edward the Elder for a sum of forty pounds.