Pope

The pope (papa, from πάππας), also known as the supreme pontiff (pontifex maximus or summus pontifex), Roman pontiff (Romanus pontifex) or sovereign pontiff, is the bishop of Rome (or historically the patriarch of Rome), head of the worldwide Catholic Church, and has also served as the head of state or sovereign of the Papal States and later the Vatican City State since the eighth century. From a Catholic viewpoint, the primacy of the bishop of Rome is largely derived from his role as the apostolic successor to Saint Peter, to whom primacy was conferred by Jesus, who gave Peter the Keys of Heaven and the powers of "binding and loosing", naming him as the "rock" upon which the Church would be built. The current pope is Francis, who was elected on 13 March 2013. While his office is called the papacy, the jurisdiction of the episcopal see is called the Holy See. It is the Holy See that is the sovereign entity by international law headquartered in the distinctively independent Vatican City State, a city-state which forms a geographical enclave within the conurbation of Rome, established by the Lateran Treaty in 1929 between Italy and the Holy See to ensure its and spiritual independence. The Holy See is recognized by its adherence at various levels to international organizations and by means of its diplomatic relations and political accords with many independent states. According to Catholic tradition, the apostolic see of Rome was founded by Saint Peter and Saint Paul in the first century. The papacy is one of the most enduring institutions in the world and has had a prominent part in human history. In ancient times, the popes helped spread Christianity and intervened to find resolutions in various doctrinal disputes. In the Middle Ages, they played a role of secular importance in Western Europe, often acting as arbitrators between Christian monarchs. In addition to the expansion of Christian faith and doctrine, modern popes are involved in ecumenism and interfaith dialogue, charitable work, and the defense of human rights.