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
Natchaug River the Mount Hope River and the Fenton River, which also flow into the Mansfield Hollow Reservoir. After leaving the reservoir, the Natchaug River forms the border between the towns of Mansfield and Windham, and also the border between Windham County and Tolland County. It then flows in and out of the Willimantic Reservoir, which is used for drinking water purposes and not for recreational use, then enters Willimantic. it joins the Willimantic River, forming the Shetucket River. Large boulders and rapids can be found along much of the river. A small oxbow forms just south of the Reservoir, nearby US