Dumnonia until they submitted to the See of Canterbury in the mid-9th century. Parish organisation was a later development of fully Normanised times. Around AD 55, the Romans established a legionary fortress at "Isca Dumnoniorum", modern Exeter, but west of Exeter the area remained largely un-Romanized. Most of Dumnonia is notable for its lack of a villa system, though there were substantial numbers south of Bath and around Ilchester, and for its many settlements that have survived from the Romano-British period. As in other Brythonic areas, Iron Age hillforts, such as Hembury and Cadbury Castle, were refortified in post-Roman times for
Isca! most voted student organization and gained 20 student representatives. Among its prominent members is Xosé Emilio Vicente Caneda, who at the time of the creation of the organization was the secretary general of Galiza Nova. Its aim is "to bring together different sectors of the Galician youth that are particularly critical of the drift towards the institutional policy" electoralism and political marketing that, according to Isca!, other nationalist groups, such as the UPG have carried out in the recent years. They understand that there is a framework of class struggle in Galicia, which denies the possibility of an interclassistic policy.