when did spain join the eu
Also in 1957, the Treaty of Rome creates the European Economic Community (EEC), or âCommon Marketâ. Spain In the European Union. In 1986, SPAIN and PORTUGAL joined the European Community, making it the Community of Twelve. In 1992 the Twelve signed the Treaty on European Union. In November 1993 the Treaty on European Union came into force. In 1994 accession negotiations were concluded with Austria, Finland, Norway and Sweden.