The Kingdom of England was, from 927 to 1707, a state in North-West Europe. The Kingdom of England eventually spanned the southern two-thirds of the island of Great Britain and a number of smaller outlying islands—what is today the legal unit of England and Wales.. The Kingdom of England (Anglo-Norman and French: Royaume d'Angleterre) was a sovereign state on the island of Great Britain from 927, when it emerged from various Anglo-Saxon kingdoms until 1707, when it united with Scotland to form the Kingdom of Great Britain.. Mercia was a large kingdom that covered most of middle England. Its fortunes fluctuated as it was bordered on all sides by potentially hostile rivals. To its north, Northumbria, its west the Welsh kingdoms, traditional enemies of all Anglo-Saxons, to its east, East Anglia and to its south, the least aggressive of its neighbours, Wessex. It was often at war, mainly with Northumbria and Wales . The Guardian - Back to home . Support The Guardian Queen Elizabeth of England, and the film also features David Tennant and Guy Pearce. In post-Reformation Scotland Mary was reviled for her . 927 CE - King Æthelstan united Anglo-Saxon kingdoms and Vikings in britain either by force or diplomacy.Kingdom of England was created. 1060 CE - Duke William I, descendant of Rollo, had secured . A new genetic map of Britain shows that there has been little movement between areas of Britain which were former tribal kingdoms in Anglo-Saxon England Credit: David Cheskin/PA.