In 1960, the Franco Government decides to establish diplomatic relations with the European Economic Community (EEC). On 9 December 1960, in Brussels, the Count of Casa Miranda (left), Spanish Ambassador to Belgium, presents his credentials to Walter Hallstein, President of the Commission of the EEC, as Head of the Mission of Spain to the Community.

Extract from the minutes of debates held in the plenary session of the Spanish Congress of Deputies on 28 April 2005. The bill authorising the ratification of the Treaty establishing a Constitution for Europe is adopted.

On 25 March 2013, the Spanish Senate adopts the Bill authorising Spanish ratification of the Protocol on the concerns of the Irish people on the Treaty of Lisbon.

Dispatch from Miguel Solano, Spanish Ambassador to Paris, to Marcelino Oreja, Spanish Foreign Minister, regarding a meeting held on 21 October 1978 with Maurice Couve de Murville, President of the Foreign Affairs Committee in the French National Assembly, to discuss Spain's accession to the European Economic Community.

Statement made on 5 December 1972 by the Spanish Ambassador to Helsinki, Nuño Aguirre de Cárcer, during the consultations in Helsinki on the question of a Conference on Security and Cooperation in Europe, to emphasise the importance of the Mediterranean Basin for European security.

Address given by Carlos Arias Navarro, Spanish Prime Minister, at the third stage of the Conference on Security and Cooperation in Europe in Helsinki on 31 July 1975, one day earlier than planned owing to the absence of Francisco da Costa Gomes, President of Portugal.