England–Wales border point. In 926, Edward's successor Athelstan, "King of the English", summoned the Welsh kings including Hywel Dda of Deheubarth to a meeting at Hereford, and according to William of Malmesbury laid down the boundary between England and Wales, particularly the disputed southern stretch where he specified that the eastern bank of the Wye should form the boundary. By the mid-eleventh century, most of Wales had become united under the king of Gwynedd, Gruffudd ap Llywelyn. In 1055, he marched on Hereford and sacked the city. He also seized Morgannwg and the Kingdom of Gwent, together with substantial territories east of
River Wye, Buckinghamshire River Wye, Buckinghamshire The River Wye is a river in Buckinghamshire, England. Around in length, it rises in the Chiltern Hills and flows through High Wycombe before emptying into the River Thames at Bourne End, on the reach above Cookham Lock. High Wycombe takes part of its name from the river, which now runs mostly underground through the town. Pann Mill watermill, at the eastern end of Wycombe, is the last remaining watermill on the River Wye. There is a long history of water-mills being operated in the Wye Valley which drops about 200 feet in its 9-mile course. The