England–Wales border after Harold's death at the Battle of Hastings, Wales was again divided without a leader to resist the Normans. Immediately after the Norman conquest of England, King William installed one of his most trusted confidants, William FitzOsbern, as Earl of Hereford. By 1071 he had started the building of Chepstow Castle, the first castle in Britain built of stone, near the mouth of the Wye. It served as a base from which the Normans continued to expand westward into south Wales, establishing a castle at Caerleon and extinguishing the Welsh kingdom of Gwent. William also installed Roger de Montgomerie at
Wye River (Maryland) The river's features include the Wye Island, most of which is part of the Wye Island Natural Resources Management Area, managed by the Maryland Department of Natural Resources State Forest and Park Service. William Paca, the third governor of Maryland and a signatory to the Declaration of Independence, once owned the island. The nearby Aspen Institute Wye River Conference Centers (sections of which were formerly known as the "Wye River plantation") hosted the 1998 Mideast Peace talks attended by Israeli Prime Minister Benjamin Netanyahu and Palestinian Authority Chairman Yasser Arafat, and hosted by US President Bill Clinton that culminated in