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
Aspen Institute Wye River Conference Centers section - Wye Woods - is now closed and is being offered for sale.) In 1995 the Conference Center was the site for negotiations between Israel and the Palestine Authority which resulted in the Wye River Memorandum. Since 1998, the Wye River Group on Healthcare has conducted policy meetings on retreat there. Elián González and his father stayed there briefly in 2000. Beginning in September 2008, and meeting quarterly through December 2009, The Aspen Philanthropy Seminar–Washington, DC, convened a small group of philanthropists at the Center. The River House facility was originally developed in 1987 as a specialized high-tech conference