8th century | 10th century | Other years in Wales Other events of the century This article is about the particular significance of the century 801–900 to Wales and its people. ## Contents * 1 Events * 2 Births * 3 Deaths * 4 References ## Events[edit] 830 * Approximate date – Nennius's Historia Brittonum[1] 878 * Merfyn ap Rhodri succeeds his father Rhodri the Great as king of Powys, reigning until his own death in c.900 893 * Spring – Battle of Buttington,[2] a victory for a joint Anglo-Saxon and Welsh force against the Vikings; the Buttington Oak, planted about this time, perhaps to commemorate the event, falls in 2018 * Autumn – Danish Vikings are forced from Chester into Wales. ## Births[edit] 854 * Cadell ap Rhodri, King of Seisyllwg (died 909)[3] ## Deaths[edit] 808 * Cadell ap Brochfael, king of Powys[4] 809 * Elfodd, bishop of Gwynedd,[5] who persuaded the Welsh church to adopt the Roman method of determining the date of Easter 844 * Merfyn Frych, king of Gwynedd 855 * Cyngen ap Cadell, king of Powys 871 * Gwgon, king of Ceredigion and Ystrad Tywi[6] 878 * Rhodri the Great, king of Gwynedd and most of Wales (born c.820) ## References[edit] 1. ^ Dorothy Whitelock; Rosamond McKitterick; David Dumville (8 July 1982). Ireland in Early Medieval Europe: Studies in Memory of Kathleen Hughes. Cambridge University Press. p. 135\. ISBN 978-0-521-23547-1. 2. ^ Justin Pollard (29 June 2006). Alfred the Great. Hodder. p. 281. 3. ^ Lloyd, John Edward (1912). A History of Wales from the Earliest Times to the Edwardian Conquest. London: Longmans, Green, and Co. p. 325. Retrieved 7 July 2010. "Lloyd history of Wales." 4. ^ N. J. Higham; Barri Jones (2001). Archaeology of the Roman Empire: a tribute to the life and works of Professor Barri Jones. Archaeopress. p. 316\. ISBN 978-1-84171-232-1. 5. ^ David Walker (28 June 1990). Medieval Wales. Cambridge University Press. p. 12\. ISBN 978-0-521-31153-3. 6. ^ David N. Dumville (29 April 1999). Saint Patrick. Boydell & Brewer Ltd. p. 112\. ISBN 978-0-85115-733-7.