History of Scotland of Hadrian's Wall. Roman troops penetrated far into the north of modern Scotland several more times, with at least four major campaigns. The most notable invasion was in 209 when the emperor Septimius Severus led a major force north. After the death of Severus in 210 they withdrew south to Hadrian's Wall, which would be Roman frontier until it collapsed in the 5th century. By the close of the Roman occupation of southern and central Britain in the 5th century, the Picts had emerged as the dominant force in northern Scotland, with the various Brythonic tribes the Romans had first
Scotland during the Roman Empire subjugating a population that did not conform to the strictures of local governance that Roman power usually depended on to operate through. The technology of everyday life is not well recorded, but archaeological evidence shows it to have been similar to that in Ireland and Anglo-Saxon England. Recently evidence has been found of watermills in Pictland and kilns were used for drying kernels of wheat or barley, not otherwise easy in the changeable, temperate climate. Although constructed in earlier times, brochs, roundhouses and crannogs remained in use into and beyond the Pictish period. Elsewhere in Scotland wheelhouses were constructed, probably