Year 2004
- 4 February. Lecture and presentation by Media Vaca to the students of the master’s degree in Intellectual Property of the Carlos III University in Madrid, organised by Santillana Formación, Grupo Prisa (Santillana Training, Prisa Group).
- 1 April. Media Vaca presentation in Programa de Presentació d’Empreses a la Universitat de Valencia (Company Presentation Programme at the University of Valencia). Organised by: ADEIT (University-Company Association of Valencia). Assembly Hall in the Faculty of Psychology of the University of Valencia.
- April. Les enfants idiots (French edition of Los niños tontos by the Sarbacane Publishing House, with translation by François Maspero and a print-run of 3,000 copies).
- August. Libro de nanas (Book of Lullabies), Panamá o las aventuras de mis siete tíos (Panama or the Adventures of my seven uncles).
- 8 September – 10 October. 'Crimes exemplares' ('Exemplary Crimes') exhibition in the Museo do Trabalho (Museum of Labour) of Porto Alegre, Brazil.
- September. No hay tiempo para jugar (No Time to Play).
- 6 – 10 October. Participation in the Frankfurt Book Fair with own space inside the stand of the Federación de Gremios de Editores (Publishers Guild Federation).
- November. Retratos furtivos (Furtive Portraits).
- 25 November – 6 March 2005. Exhibition 'A vida secreta dos libros: Media Vaca: 1998-2004' (The Secret Life of Books) in the Luis Seoane Foundation of A Coruña.
- 25 November. Presentation of Retratos furtivos (Furtive Portraits) in the Luis Seoane Foundation. The exhibit dedicated to Media Vaca coincides with another in homage to the publishing house Ruedo Ibérico.