Wall of Severus as the mid-5th century predating the 8th-century reign of the Saxon King Offa of Mercia by 300 years. Septimius Severus arrived in Caledonia in 208 after Picts began making a series of attacks and incursions since 197. During these military operations in Scotland, the Wall of Severus was reportedly built. Cassius Dio, a Roman historian who lived at the time of Severus, makes no direct mention to any new fortification but does allude to the existing Antonine and Hadrian Walls. Late Roman historians interchange the name Severan Wall with the Antonine Wall. Other historical writers like Bede - an 8th-century
Planetrees (Hadrian's Wall section) he must have a mean opinion of me, who would travel six hundred miles to see it; and if it was, he could never merit my thanks for destroying it." The eastern part of the surviving section (approximately in length) is built as Broad Wall, 10 Roman Feet wide. The eastern section (approximately in length is built as Narrow Wall, 8 Roman Feet wide, yet still on foundations clearly installed for a Broad Wall. The join is archeologically interesting, as it suggests a change in plan during construction. Also present on the narrow wall stretch is a culvert. The stones