Coat of arms of Portugal I became a dragon, probably associated to the adoption of Saint George as the patron saint of Portugal. Until the 17th century, the dragon was represented in "or", but since then, it started to be represented in "vert". This change of color was probably due to the ascension to the throne, in 1640, of the House of Braganza, which had the green as its livery color, this also becoming the national color of Portugal. During the period of the House of Braganza, two dragons "vert" became frequently used as the supporters of the Portuguese Royal shield. Other of the external
Patron saint appeared in the 19th century, Saint Veronica was made its patron, owing to how her veil miraculously received the imprint of Christ's face after she wiped off the blood and sweat. The veneration or "commemoration" and recognition of patron saints or saints in general is found in Roman Catholicism, Eastern Catholicism, Eastern Orthodoxy, Oriental Orthodoxy, Lutheranism and Anglicanism. Catholics believe that patron saints, having already transcended to the metaphysical, are able to intercede effectively for the needs of their special charges. It is, however, generally discouraged in most Protestant branches such as Calvinism, where the practice is considered a form