9th century in Wales
|8th century | 10th century | Other years in Wales|
|Other events of the century|
- Merfyn ap Rhodri succeeds his father Rhodri the Great as king of Powys, reigning until his own death in c.900
- Elfodd, bishop of Gwynedd, who persuaded the Welsh church to adopt the Roman method of determining the date of Easter
- Merfyn Frych, king of Gwynedd
- Cyngen ap Cadell, king of Powys
- Rhodri the Great, king of Gwynedd and most of Wales (born c.820)
- 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.
- Justin Pollard (29 June 2006). Alfred the Great. Hodder. p. 281.
- 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.
- 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.
- David Walker (28 June 1990). Medieval Wales. Cambridge University Press. p. 12. ISBN 978-0-521-31153-3.
- David N. Dumville (29 April 1999). Saint Patrick. Boydell & Brewer Ltd. p. 112. ISBN 978-0-85115-733-7.