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
Penrith and The Border (UK Parliament constituency) includes part of the English border with Scotland. The neighbouring constituency of Hexham (together with Berwick-upon-Tweed) also takes in the border area. The name stems from the fact that when the constituency was first created it consisted of the Penrith Rural and Urban Districts, the Border Rural District and also the Alston with Garrigill Rural District. A heavily undulating, mostly farmed terrain dotted by market towns and historic villages, with wooded mountainsides and heath-covered tops, the constituency is focused on the Eden Valley between the Pennines and the Lake District, with the vale of the River Irthing above Carlisle. In