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
Lusatian Border Ridge oak-hornbeam-pine woodland, oak and beech forest and mixed beech-sessile oak-English oak woodland. The Lusatian Border Ridge also forms the boundary between Lower and Upper Lusatia, hence the name, which literally means "Lusatian Border Dyke". Lusatian Border Ridge The Lusatian Border Ridge (), also called the Lusatian Border Wall, is a natural region in Saxony and South Brandenburg. It lies not far from the town of Weißwasser and is bounded in the south and west by the Muskau Heath and in the north by the Cottbus Sand Plateau. To the west it transitions at the River Dahme into the Lower Fläming;