Saint George in devotions, traditions and prayers was specially devoted to the saint and declared him the patron saint of Portugal. In the fifteenth and sixteenth centuries, Portuguese explorers carried the devotion across the oceans to India and South America. After the thirteenth century, a large portion of the art, iconography and legendary traditions associated with Saint George and many festivals that celebrate him involve the legend of Saint George and the Dragon. The association of Saint George with the dragon was not attested to until the twelfth century version of "Miracula Sancti Georgii" (Codex Romanus Angelicus 46, pt. 12, written in Greek). Jacobus De Voragine, the
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