Maria I of Portugal forced Portugal to cede Olivença and other border towns to Spain. (This cession is not recognized by the present Portuguese government, and the country officially considers those territories still to be Portuguese possessions.) On September 29, 1801 John VI signed the Treaty of Madrid (1801), ceding half of Guyana to France, which became French Guiana. The refusal of the Portuguese government to join the French-sponsored Continental Blockade against Britain culminated in the late 1807 Franco-Spanish invasion of Portugal led by General Junot. The ultimate Napoleonic plan for Portugal was to split it into three sections. The northern parts of Portugal,
Anglo-Scottish border residing in Northumberland (3.72% of the county's population); the overall percentage of Scottish-born people in England is 1.62%. Anglo-Scottish border The Anglo-Scottish border between England and Scotland runs for 96 miles (154 km) between Marshall Meadows Bay on the east coast and the Solway Firth in the west. It is Scotland's only land border with another country, and one of England's two (the other being with Wales). 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