On 11 April 1985, two months before the signature by Spain of the Treaty of Accession to the European Communities, the Spanish daily newspaper El País speculates on the future role the country will be able to play in Europe.

On 11 June 1985, in Madrid, on the eve of the formal signing of Spain’s Treaty of Accession to the European Communities, Fernando Morán, Spanish Foreign Minister, shows journalists the accession agreement documents which will be signed the following day in the Royal Palace, immediately before the extraordinary meeting of the Council of Ministers.

On 12 June 1985, in Madrid, Spain signs the Treaty of Accession to the European Economic Community (EEC) and the European Atomic Energy Community (EAEC). The Spanish signatories are the Foreign Minister, Fernando Morán (on the left), and the Prime Minister, Felipe González (on the right).

On 12 June 1985, at the Royal Palace of Madrid, Felipe González, Prime Minister, and Fernando Morán, Foreign Minister, sign Spain’s Treaty of Accession to the European Communities.

On 12 June 1985, at the Royal Palace of Madrid, King Juan Carlos I delivers an address during the ceremony held to mark the signing of Spain’s Treaty of Accession to the European Communities.

On 12 June 1985, at the official ceremony for the accession of Spain to the European Economic Community (EEC), the Spanish Prime Minister, Felipe González Márquez, delivers a speech highlighting Spain's desire to participate actively in the European venture.

On 12 June 1985, at the time of Spain's accession to the European Economic Community (EEC), the Council President-in-Office, Giulio Andreotti, welcomes Spain's involvement in Europe.

On 12 June 1985, at the ceremony marking the accession of Spain to the European Economic Community, Jacques Delors, President of the European Commission, expresses his pleasure at the success of the European enlargement process to include Spain.

On 12 June 1985, commenting on the signing that day in Madrid of Spain's Treaty of Accession to the European Communities, the Belgian newspaper Le Soir describes the Spanish people's attitude towards their country's entry into a united Europe.

On 12 June 1985, the French daily newspaper Le Figaro describes the state of mind of the Spanish people in the light of their country’s accession to the European Economic Community (EEC).

On 13 June 1985, reporting on the official signing of the Treaty concerning the accession of Spain to the European Communities, the Lisbon daily newspaper Diário de Notícias summarises the reactions prompted in Spain.

Felipe González, Spanish Prime Minister, attends the final European Council of the Ten, held in Luxembourg on 2 and 3 December 1985 before the accession of Spain and Portugal to the European Communities on 1 January 1986.

Poster painted by artist Manuel Hernández Mompó to mark Spain’s signing of the Treaty of Accession to the European Communities on 12 June 1985.

On 14 January 1986, Pierre Pflimlin, President of the European Parliament, welcomes Spain, represented by King Juan Carlos and Queen Sofía, as a new member of the European Economic Community (EEC).

This photo, taken on 14 January 1986 in Strasbourg, shows the first two Spanish Members of the European Commission, Manuel Marín and Abel Matutes, on either side of the President of the European Parliament, Pierre Pflimlin, at the first plenary session of the Parliament after the enlargement of the Community to encompass 12 Member States.

In 1986, on the occasion of Spain's accession to the European Communities, the European Commission publishes posters to raise public awareness.