In this paper we analyze four works by the Spanish author Juan del Encina, as part of the celebrations conducted in the ducal palace of Alba during the late fifteenth century, on the occasion of Christmas and Easter. In medieval celebrations, one can observe the inclusion of theater during these festivities as a complement to Masses, prayers and banquets. One is able to appreciate not only the religious importance of these festivities at that historic moment, but also their continuity to this day in the basic scheme of these same celebrations, which shows our belonging to a long tradition dating back to ancient times.
