Clausentum Clausentum Clausentum was a small town in the Roman province of Britannia. The site is believed to be located in Bitterne, which is now a suburb of Southampton. Antonine Itinerary VII documents the Roman settlement of "Clausentum" as being west of "Noviomagus Reginorum" (Chichester) and from "Venta Belgarum" (Winchester). In 1610, William Camden identified Southampton as being the site of "Clausentum" and described how at Bitterne he had seen "old broken walls, and trenches of an antient castle". Around 1770, John Speed claimed that "Clausentum" was in the area that is now known as Bitterne Manor. In 1792, the Richard
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,