Founded around AD 75, it was situated in a strategic position at the meeting point of two major roads and manned by highly trained legionaries of the Vettonian Spanish Cavalry Regiment.
Wedi’i sylfaenu tua 75 OC, fe’i gosodwyd mewn safle strategol lle mae dwy ffordd bwysig yn cwrdd ac fe’i gweithredid gan lengfilwyr tra hyfforddedig o Gatrawd Marchoglu Vettonia o Sbaen.