In a declaration issued at the third European Union-Latin America/Caribbean Summit, held in Guadalajara, Mexico, on 28 and 29 May 2004, the Heads of State or Government recognise the importance of regional integration and support projects aimed at promoting sustainable economic, social, cultural and human development on a regional basis. Accordingly, they undertake to continue to cooperate bi-regionally in the development and institutionalisation of the integration processes in Latin America and the Caribbean.

On 8 December 2004, representatives of 12 South American countries meeting in Cusco, Peru, decide to establish the South American Community of Nations (SACN) along the lines of the European Union. The Cusco Declaration marks the birth of an organisation seeking to build a South American area integrated in the political, social, economic and environmental fields, and in its infrastructures.

Group photo taken at the third South American Presidential Summit of 8 December 2004. The Presidents of the 12 countries of South America adopt the Cuzco Declaration on the South American Community of Nations.

On 8 December 2004, the representatives of 12 South American countries meeting in Cusco, Peru, decide to establish the South American Community of Nations (SACN). In statements to the press, they refer to the European Union on several occasions as an example of integration.

On 20 March 2008 in Ljubljana, the ACP-EU Joint Parliamentary Assembly adopts a resolution on experiences from the European regional integration process relevant to ACP countries (Africa, Caribbean and Pacific).