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
Altice Portugal Bank (5.01%). After privatization the Portuguese government owned 500 golden shares in PT, which carried special rights over the company's management decisions and blocked any one shareholder from holding more than 10% of voting rights within the company. The golden shares were the subject of a long running dispute between the government and the European Commission, which alleged that their existence was illegal under EU law. Portugal argued that the shares were in the public interest. A case brought before the European Court of Justice by the Commission to force the government to cede its shares resulted in the announcement