Portugal–Spain border disputed between the two countries for two hundred years. A microstate existed previously on the border called Couto Misto. Districts on the Portuguese side of the border from North to South: Provinces on the Spanish side of the border from North to South: Portugal and Spain signed the Schengen Agreement in June 1991 which came into effect on 26 March 1995, making Portugal and Spain part of the Schengen area and thus the border then became an Open border. Portugal has since reintroduced border checks several times along the border with Spain, during the UEFA Euro 2004 championships, during the
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