Anglo-Scottish border

The Anglo-Scottish border is a land boundary that separates England and Scotland on the island of Great Britain. Though separating two countries and legal systems, it is an internal border of the United Kingdom. It runs for 96 miles (154 km) between Marshall Meadows Bay on the east coast and the Solway Firth in the west. It is known colloquially as "the border" in the whole of Scotland and the English counties of Cumbria and Northumberland. The Firth of Forth was the border between the Picto-Gaelic Kingdom of Alba and the Anglian Kingdom of Northumbria in the early 10th century. It became the first Anglo-Scottish border with the annexation of Northumbria by Anglo-Saxon England in the mid-10th century. In 973, the Scottish king Kenneth II attended the English king Edgar the Peaceful at Edgar's 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 by England in 1482. Berwick was not fully annexed into England until 1746, by the Wales and Berwick Act 1746. For centuries until the Union of the Crowns, the region on either side of the boundary was a lawless territory suffering from the repeated raids in each direction of the Border Reivers. Following the Treaty of Union 1706, ratified by the Acts of Union 1707, which united Scotland with England and Wales to...