Isca Dumnoniorum Isca Dumnoniorum Isca Dumnoniorum, also known simply as Isca, was a town in the Roman province of Britannia at the site of present-day Exeter in the English county of Devon in the United Kingdom. It served as the tribal capital of the Dumnonians under and after the Romans. The city walls of Exeter (some 70% of which survive) mark the former perimeter of Isca and excavations in the 1970s and 1980s verified that the town was home to a Roman fortress almost certainly for the Second Augustan Legion. The town seems to have grown up around this fort (established )
Limes Britannicus was established in "Isca Dumnoniorum". This was abandoned about 75 AD and the place was elevated into the "civitas" of the Dumnonii. The city of Lincoln was initially the headquarters of the "Legio IX Hispana" and, at the end of the reign of Domitian, was elevated to a "Colonia". It lay on the river Witham, another important communication route. Near the town there was probably a bridge across the river. "Ermine Street" linked London ("Londinium") with the legion camp of York ("Eburacum"). In addition, one of Roman Britain’s main roads, the "Fosse Way", which ran from the west from the