5th century in Wales

Britain under Roman rule (43 AD - c.410 AD)

kingdom in northwest Wales, 401–1283

medieval kingdom in mid-Wales

Battle in medieval England

period of Late Antiquity in Great Britain, covering the end of Roman rule in the late 4th and early 5th centuries, and its aftermath into the 6th century

the 27-year transition period from Roman Britain to post-Roman Britain from 383C-410C

commote in Denbighshire, Wales

thumb|right|240px|A general map of Gwynedd showing the cantrefi. Rhufoniog is shown in the upper centre portion. Rhufoniog was a small sub-kingdom of the Dark Ages Gwynedd, and later a cantref in medieval Wales.