Tag: Seisyllwg

• Rhodri Mawr and the First Architecture of Welsh Power

  

  Introduction, Beyond Legend Rhodri Mawr, who died in 878, stands at a structural turning point in Welsh history. He was neither the first king in Wales nor the ruler of a unified nation in any modern sense. Yet during his lifetime the scale at which Welsh politics operated changed perceptibly. What had been a mosaic…

  Antony David Davies

  23/02/2026

  History

  9th century Britain, Anglo-Saxon Chronicle, Annales Cambriae, Carolingian Europe, Celtic Britain, Early medieval Wales, Gwynedd, heritage, History, House of Aberffraw, Hywel Dda, Irish Sea world, Medieval Britain, Medieval genealogy, Medieval Welsh kings, Mercia, Offa’s Dyke, Powys, Powys history, Rhodri Mawr, Sedulius Scottus, Seisyllwg, Viking Age Wales, vikings, Welsh constitutional history, Welsh dynasties, Welsh history, Welsh identity, Welsh law, Welsh political history, Welsh princes, Welsh sovereignty, Welsh state formation, writing