Aberffraw and Winchester, 924- 927 AD Aberffraw and Winchester, 924- 927 ADAt his death, King Anarawd left a stable and prosperous Gwynedd. The smooth mechanisms running the state meant that his successor could concentrate on familiarising himself with government procedures while making no changes. The only problem he faced was outside threats: the usual and occasional Viking raids along Gwynedd’s lengthy coastline. Since these spontaneous attacks were routine, so was dealing with them. The possibility of a massive Viking invasion was reassuringly low, whereas Mercia had never taken her envious eyes off Powys. Idwal Foel, the new king, remembered his father’s words: Gwynedd cannot do without a strong alliance beyond the confines of Wales and, therefore, concentrated on approaching Wessex,

