Anglo-Scottish border its hesitation over whether it is part of Scotland or England. Berwickshire is in Scotland while the town is in England, although both Berwick and the lands up to the Firth of Forth belonged to the Kingdom of Northumbria in the Early Middle Ages. The town changed hands more than a dozen times before being finally taken by the English in 1482. In the 1950s the artist Wendy Wood moved the border signs south to the middle of the River Tweed as a protest. In 2008 SNP MSP Christine Grahame made calls in the Scottish Parliament for Berwick to become
Red River of the South formed part of the US–Mexico border from the Adams–Onís Treaty (in force 1821) until the Texas Annexation and the Treaty of Guadalupe Hidalgo. The Red River is the second-largest river basin in the southern Great Plains. It rises in two branches in the Texas Panhandle and flows east, where it acts as the border between the states of Texas and Oklahoma. It forms a short border between Texas and Arkansas before entering Arkansas, turning south near Fulton, Arkansas, and flowing into Louisiana, where it flows into the Atchafalaya River. The total length of the river is , with a mean