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
Edward II of England his later years, although 19th-century academics later argued that the growth of parliamentary institutions during his reign was a positive development for England over the longer term. Debate has continued into the 21st century as to whether Edward was a lazy and incompetent king, or simply a reluctant and ultimately unsuccessful ruler. Edward II was the fourth son of Edward I and his first wife, Eleanor of Castile. His father was the king of England and had also inherited Gascony in south-western France, which he held as the feudal vassal of the King of France, and the Lordship of Ireland.