Papal tiara on the "sedia gestatoria" (portable throne), was based on the Byzantine imperial ceremonies witnessed in medieval Constantinople. Medieval tarot cards included a card showing a woman wearing a papal tiara and known as the "Popess or Papess" or the "High Priestess". The meaning and symbolism of the card is uncertain. The crowned woman has variously been identified as Pope Joan (a woman who according to a medieval and later Protestant legend had disguised herself as a man and been elected pope; some cards also show a child, and the Pope Joan legend pictured her as found out when she gave
Religion in the Republic of Ireland for their children to be excluded from religious study if they wish. However, religious studies as a subject was introduced into the state administered Junior Certificate in 2001; it is not compulsory and deals with aspects of different religions, not focusing on one particular religion. Christianity is the largest religion in the Republic of Ireland based on baptisms. Irish Christianity is dominated by the Catholic Church, and Christianity as a whole accounts for 82.3% of the Irish population. Most churches are organized on an all-Ireland basis which includes both Northern Ireland and the Republic of Ireland. Irish travellers have traditionally