Onésimo Díaz Hernández

Diaz presented an academic paper on «Falange versus Opus Dei» at the II International Conference of Fascism in Granada at University of Granada (April, 2015). The study was cited in the book Francisco Morente Valero, "The Falange and the Academia: Falangist Intellectuals and the Idea of a National-Syndicalist University (1933-1943)".

Díaz presented an article at the Conference of Association for Contemporary Iberian Studies, holds Association for Contemporary Iberian Studies, in Limerick at Limerick University, (Ireland, September 2004) on «Urquijo´s brother and the spanish modernization in the interwar period».

Díaz studied History at the Complutense University in Madrid, the University of Navarra (Pamplona), and the University of the Basque Country (Vitoria-Gasteiz) and holds a Ph.D. in History from the University of Basque Country (1995) as well as a Ph.D. in Church History from the Pontifical University of the Holy Cross in Rome (2013).

Díaz received the “Premio Leizaola" Award in 1994 for "En los orígenes de la autonomía vasca", and in 1997 he received the “Premio Laudio-Llodio” Award for Los primeros Marqueses de Urquijo y Llodio.

Onésimo Díaz Hernández (born 16 August 1966) is a Spanish historian known for his publications regarding the history of Spain in the twentieth century.

He is the author of thirteen books and has written multiple book reviews for journals including Arbor, the International Journal of Iberian Studies, and Hispania Sacra. He has published a book in the collection of monographs of the St. Josemaria Escriva Historical institute. It is entitled: "Posguera. La primera expansion del Opus Dei durante los anos 1939 y 1940".