Once in power as King of Spain, however, he facilitated the development of a constitutional monarchy as his father, Don Juan de Borbón, had advocated since 1946.
Namun, setelah berkuasa sebagai Raja Spanyol, ia memfasilitasi perkembangan monarki konstitusional karena ayahnya, Don Juan de Borbón, mendukung hal tersebut sejak tahun 1946.