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
Scotland during the Roman Empire utterance, attributable with any reasonable degree of confidence, to a native of Scotland was made. When Julia Domna, wife of Septimius Severus, criticised the sexual morals of the Caledonian women, the wife (whose name is unknown) of the Caledonian chief Argentocoxos allegedly replied: "We fulfill the demands of nature in a much better way than do you Roman women; for we consort openly with the best men, whereas you let yourselves be debauched in secret by the vilest." Little is known about this alliance of Iron Age tribes, which may have been augmented by fugitives from Roman rule further south.