Portugal - International cooperation
Portugal joined the UN on 14 December 1955 and participates in ECE and all the nonregional specialized agencies. The nation is one of the 12 original signatories to NATO, a member of the WTO and the Law of the Sea, and a member of OECD. It also has permanent observer status at OAS. Portugal began negotiating for entry into the EU in 1978; entry was granted officially in 1985. Portugal entered into the European economic and monetary union in 1999, and the euro entered into circulation in 2002.