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! They deny what they call the "pessimistic views on the Galician society" are committed to the horizontal relationship between BNG and social movements and postulate the right to self-determination as "irrevocable of the Galician people." Isca! gives a key importance to the social movements and the street protests. In addition to the work within the BNG, the militancy of Isca! participates in social collectives such as the Confederación Intersindical Galega or the Galician Student League. They also participate in the feminist, the environmental and cultural associations and in the left-wing "independentist" social centres. Isca! Isca! is the name of a