Northern England Mamucium (Manchester) and Cataractonium (Catterick). Britannia Inferior extended as far north as Hadrian's Wall, which was the northernmost border of the Roman Empire. Although the Romans invaded modern-day Northumberland and part of Scotland beyond it, they never succeeded in conquering the reaches of Britain beyond the River Tyne. After the end of Roman rule in Britain and the arrival of the Angles, Yr Hen Ogledd (the "Old North") was divided into rival kingdoms, Bernicia, Deira, Rheged and Elmet. Bernicia covered lands north of the Tees, Deira corresponded roughly to the eastern half of modern-day Yorkshire, Rheged to Cumbria, and Elmet
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