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! acts of the National Day of Galicia, at the demonstration called by the BNG. Isca! participated in its beginnings within Galiza Nova as an internal current, but left the organization due to the ideological differences and the tension with the UPG youth wing, the UMG. The split in Galiza Nova was followed by the rupture in the student union, the Comités. Isca! members left Comités in 2011. They, along other 150 ex-members of the Comités formed the Galician Student League (LEG), that achieved a huge success in the 2012 University of Santiago de Compostela elections, where the LEG was the