Place name origins only have little relation to the Roman names (e.g. Chester - 'Deva', Winchester - 'Venta Belgarum' etc.). Many English places derive part of their name from the river upon which they were built, but in the 16th century many English rivers were renamed with back-formations from towns on their banks. Cambridge, perhaps uniquely, illustrates both effects: originally "Grontabricc", a bridge on the Granta, the name became "Cantebruge" and then "Cambrugge", from which the river was renamed Cam. The vast majority of place names in Wales are Welsh by origin, containing elements such as Llan-, Aber-, Pen- etc. Along the south
Venta Belgarum Britain in his "History of the Britains". Following the Roman withdrawal from Britain in 410, urban life seems to have ceased around 450, although a small administrative centre might have continued after that on the site of the later Anglo-Saxon palace. Amid the Saxon invasions of Britain, cemeteries dating to the 6th and 7th centuries suggest a revival of settlement and Wintanceastre became the usual court for the kings of Wessex, and then for other Saxon, Danish, and Norman kings of England. Venta Belgarum Venta Belgarum was a town in the Roman province of Britannia Superior, the civitas capital of