Cnut
Cnut (c. 995 – 12 November 1035), also known as Canute the Great, was a Danish king who ruled England from 1016 to 1035, Denmark from 1018 to 1035, and Norway from 1028 to 1035, thereby assembling a North Sea Empire that briefly united much of northern Europe under Viking leadership.[1][2][3] Born as the second son of Sweyn Forkbeard, king of Denmark, Cnut participated in the Danish invasion of England in 1013 and, following his father's death, decisively defeated the English claimant Edmund Ironside in 1016 to secure the English throne.[3][4] He consolidated power by marrying Emma, widow of the previous English king Æthelred, and by exacting tribute while suppressing rebellions, then expanded into Denmark upon his brother Harald's death and into Norway by deposing Olaf Haraldsson in 1028.[1][2] As ruler, Cnut enforced legal reforms, fostered Christianity through church endowments and a pilgrimage to Rome in 1027, and maintained stability across his realms by balancing Danish military presence with respect for Anglo-Saxon traditions, though his empire fragmented after his death due to succession disputes among his sons.[5][2]