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
Roman Wall (Sofia) notched brick cornice decorates the top of the wall. The Roman Wall was built in the 16th or 17th century, the time of the Ottoman rule of Bulgaria. The wall's exact purpose is unclear, though it is agreed that it performed an Islamic religious function. It may either be the preserved part of an eminent Ottoman Turk's tomb, or it may have formed part of a "namazgâh", an open-air religious structure where the imam would perform a prayer for those embarking on the Hajj. In the late 19th century, after the reestablishment of the Principality of Bulgaria in 1878, the