The holding of the Third Summit of Latin America and the Caribbean-European Union (UE-LAC) in Guadalajara, Mexico, on May 28 and 29, constitutes an event of particular relevance for Mexico's foreign policy in 2004. That is why the The Matías Romero Institute decided to dedicate issue 71 of the Revista Mexicana de Política Exterior to this important event. From various trenches and different topics, officials and academics give an account of the relevance of the dialogue between Latin America and the Caribbean-European Union.