Patronages of the Immaculate Conception the Immaculate Conception is also one of the nine national and public holidays and a holy day of obligation. The patronage settles the dispute between a heated religious debate during the mid 1600s, when followers of the mythical figure Saint James Matamoros wished to impose him as the national patron saint versus the followers of Saint Teresa of Avila. On 11 September 1759, the elected members of the Spanish Cortes petitioned King Charles III of Spain to request from the pope the "universal patronage of Our Lady of the Immaculate Conception in all the Kingdoms of Spain and the Indies".
Saint Domnius became the city's patron saint, and the city's cathedral (the Cathedral of Saint Domnius) was built in the mausoleum of Diocletian itself, the emperor who martyred him. The Basilica of St. John Lateran in Rome claims to own some of Domnio's relics, since Pope John IV, in the 7th century, had requested that relics of a martyr named Domnio be brought to Rome. Saint Domnius Saint Domnius (also known as Saint Dujam or Saint Duje, Saint Domnio, Saint Doimus, or Saint Domninus) was a 3rd-century Bishop of Salona and patron of the city of Split. Salona was a large Roman