From the early centuries of Christianity, relics, which are remains of saints or individuals considered sacred, began to be objects of veneration. These could range from fragments of bone to objects that had been in direct contact with the saint. In this sense, the concept of a relic is encapsulated in the belief that these objects possess a special power that can intercede before God. The veneration of relics was not limited to religious practice; it also became a cultural and social phenomenon, influencing architecture, liturgy, and popular traditions.
One of the most emblematic examples of relic veneration in Spanish history is that of the Apostle James, whose tomb is located in Santiago de Compostela. Since the 9th century, numerous pilgrims have traveled to this city seeking the grace and healing that were said to be obtained by being in contact with the saint's relic. This phenomenon not only stimulated religiosity but also fostered the development of infrastructure and trade in the region, transforming Santiago de Compostela into a major pilgrimage center that endures to this day.
In the Middle Ages, the acquisition and custody of relics became a symbol of power among the nobility. Kings and nobles not only competed for possession of these relics, but their ownership was seen as