This work examines the surviving persistence of the National Catholic discourse within current Spanish historiography with special regard to the specific case of the study of the Middle Ages. This approach to the medieval Iberian past may be summarized in two major features: the historical illegitimacy of al-Andalus from its origins, expressed through the notion of the Arab and Islamic “invasion” of Iberia, and the consequent legitimacy and glorification of the Christian conquest (so-called Reconquista), ending with the siege of Granada by the Catholic Kings in 1492. The recent publication of AlAndalus y la cruz, by Rafael Sánchez Saus, represents the last academic byproduct of this tendency and its entire argument still drags its most typi...