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
Union of England and Scotland Act 1603 Union of England and Scotland Act 1603 The Union of England and Scotland Act 1603 (1 Jac. I c.2), full title "An Act authorizing certain Commissioners of the realm of England", was an Act of Parliament of the Parliament of England enacted during the reign of King James I. It appointed a commission led by the Lord Chancellor, Lord Ellesmere, to meet and negotiate with a commission which would be appointed by the Parliament of Scotland. The aim of the discussions was to look into the possibility of arranging a formal political union between England and Scotland, going beyond the