Anglo-Scottish border English king, Edgar the Peaceful, at his council in Chester. After Kenneth had reportedly done homage, Edgar rewarded Kenneth by granting him Lothian. Despite this transaction, the control of Lothian was not finally settled and the region was taken by the Scots at the Battle of Carham in 1018 and the River Tweed became the "de facto" Anglo-Scottish border. The Solway–Tweed line was legally established in 1237 by the Treaty of York between England and Scotland. It remains the border today, with the exception of the Debatable Lands, north of Carlisle, and a small area around Berwick-upon-Tweed, which was taken
England–Wales border West and Chester, Shropshire, Herefordshire, and Gloucestershire in England. There are several places where the border runs along the centre of a lane or street, resulting in properties on one side of the street being in Wales and those on the other side being in England. Notable examples include Boundary Lane in Saltney and the main street of Llanymynech. Before and during the Roman occupation of Britain, all the native inhabitants of the island (other than the Pictish/Caledonian tribes of what is now northern Scotland—and also excepting the Lloegyr of greater south-east England) spoke Brythonic languages, a sub-family of the