Thorverton River Exe (near to the current day bridge), a key crossing for the military garrisoned at Exeter (Isca Dumnoniorum). There is no evidence however to suggest that there was a settlement here by the time of the Domesday Book in 1086, although Thorverton Mill was running at this time on the River Exe (and continued to do so until its closure in 1979). (Raddon, a hamlet W of Thorverton is mentioned in the Domesday book. "William holds RADDON (in Thorverton) from the abbott. Wulfmaer held it in TRE, and it paid geld for 1 virgate of land. There is land
England–Wales border Silures, traditionally the area between the rivers Usk, Wye and the Severn estuary. It was centred at different times on "Venta" (Caerwent), from which it derived its name, and "Isca Augusta" (Caerleon). Gwent generally allied with, and at various times was joined with, the smaller Welsh kingdom of Ergyng, centred in present-day southern Herefordshire west of the Wye (and deriving its name from the Roman town of "Ariconium"); and the larger kingdom of Glywysing in modern Glamorgan. The name Glywysing may indicate that it was founded by a British native of "Glevum" (Gloucester). The Battle of Mons Badonicus, circa 500,