Kingdom of England unity ever since. During the reign of Æthelred the Unready (978–1016), a new wave of Danish invasions was orchestrated by Sweyn I of Denmark, culminating after a quarter-century of warfare in the Danish conquest of England in 1013. But Sweyn died on 2 February 1014, and Æthelred was restored to the throne. In 1015, Sweyn's son Cnut the Great (commonly known as Canute) launched a new invasion. The ensuing war ended with an agreement in 1016 between Canute and Æthelred's successor, Edmund Ironside, to divide England between them, but Edmund's death on 30 November of that year left England united
Æthelstan Half-King Æthelstan Half-King Æthelstan Half-King (fl. 932 – 956) was an important and influential Ealdorman of East Anglia who interacted with five kings of England, including his adopted son Edgar the Peaceful. Many of Æthelstan's close relatives were also involved in important affairs, but soon after the death of king Eadred in 955, he left his position and became a monk at Glastonbury Abbey. Æthelstan was the son of Æthelfrith an Ealdorman, who held lands in Somerset, Berkshire, and Middlesex. His mother was Æthelgyth, daughter of Æthelwulf. His brothers Ælfstan, Æthelwald, and Eadric, were Ealdormen of Mercia, of Kent, and of