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
Tumen River by such tragedies. Tumen River The Tumen River, also known as the Tuman or Duman River (), is a long river that serves as part of the boundary between China, North Korea and Russia, rising on the slopes of Mount Paektu and flowing into the East Sea (Sea of Japan). The river has a drainage basin of 33,800 km (13,050 sq mi). The river flows in northeast Asia, on the border between China and North Korea in its upper reaches, and between North Korea and Russia in its last before entering the Sea of Japan. The river forms much of