Roman roads in Britannia the military road from Carlisle to Corbridge, was built under the Emperor Trajan (ruled 98–117 AD) along the line of the future Hadrian's Wall, which was constructed by his successor Hadrian in 122–132 AD. Scotland ("Caledonia"), including England north of Hadrian's Wall, remained mostly outside the boundaries of "Britannia" province, as the Romans never succeeded in subjugating the entire island, despite a serious effort to do so by governor Gnaeus Julius Agricola in 82–84 AD. However, the Romans maintained a system of forts in the lowland region ca. 80–220 AD to control the indigenous population beyond Hadrian's Wall and annexed
Scotland during the Roman Empire Scotland during the Roman Empire Scotland during the Roman Empire refers to the protohistorical period during which the Roman Empire interacted with the area that is now Scotland, which was known to them as "Caledonia". Roman legions arrived around 71, having conquered the Celtic tribes of "Britain" (England and Wales) over the preceding three decades. Aiming to annex all of the island of "Albion", Romans under Q. Petilius Cerialis and Gn. Julius Agricola invaded the Caledonians in the 70s and 80s. An account by Agricola's son-in-law Tacitus mentions a Roman victory at "Mons Graupius" which became the namesake of the