Post-Roman and Saxon thumb|The Roman amphitheatre The Roman amphitheatre still exists in an area known as the Querns to the south-west of the town, but has only been partially excavated. Investigations in the town show that it was fortified in the 5th or 6th centuries. Andrew Breeze argued that Gildas received his later education in Cirencester in the early 6th century, showing that it was still able to provide an education in Latin rhetoric and law at that time.Andrew Breeze, 'Gildas and the Schools of Cirencester', The Antiquaries Journal, 90 (2010), p. 135 Possibly this was the palace of one of the British kings defeated by Ceawlin in 577. It was later the scene of the Battle of Cirencester, this time between the Mercian king Penda and the West Saxon kings Cynegils and Cwichelm in 628.Anglo-Saxon Chronicle, sub anno 628.
Post-Roman and Saxon thumb|The Roman amphitheatre The Roman amphitheatre still exists in an area known as the Querns to the south-west of the town but has only been partially excavated Investigations in the town show that it was fortified in the 5th or 6th centuries Andrew Breeze argued that Gildas received his later education in Cirencester in the early 6th century showing that it was still able to provide an education in Latin rhetoric and law at that timeAndrew Breeze 'Gildas and the Schools of Cirencester' The Antiquaries Journal 90 (2010) p 135 Possibly this was the palace of one of the British kings defeated by Ceawlin in 577 It was later the scene of the Battle of Cirencester this time between the Mercian king Penda and the West Saxon kings Cynegils and Cwichelm in 628Anglo-Saxon Chronicle sub anno 628