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,
Border guard The agency considers itself a direct successor of the Soviet Border Troops, and regularly celebrates the anniversary of the founding of the latter (May 28, 1918). This annual event, known as the Border Guards Day, is celebrated every year by the guards in active service as well as former servicemen in Moscow and throughout the country. Future world champion and Olympic sport shooter Boris Polak served as a border guard in the Red Army on a mountain top near China, attaining the rank of Colonel. As an island, Singapore is surrounded by water and does not share land borders with