Chapels and altars of the Papal Apostolic and Principal Cathedrals of the Catholic Pilgrimage in the Vatican

Rome and the Vatican: In the era of the Republic, people used to hear voices there, so they gave the hill the name Vaticina, and this is the origin of the Vatican, and it all began in the gardens of Circus Nero at the base of the obelisk - which still exists today. Martyrs, as Emperor Caligula (37-41 AD) carried out matches and acts of violence against Christians, and thus cemeteries became on vast areas to bury the victims of execution and martyrdom in the centuries of persecutions of the first centuries. The first Christians dug graves for their sisters under the same ground on which they confessed their Christian faith. From that time onwards this spot became sacred and a destination for pilgrims. When the emperors abandoned it and left it barren, the Christians brought the remains of S. Paul, which were buried on the road to Ostia /Appia, known as Ostiense, as well as the remains of St.Peter, which his disciples had hidden for 24 years before burial in the cathedral that was built by Emperor Constantine in the Vatican (formerly Rome), as well as the martyrs of the first persecution .
The Papal chapels have a special importance among the Christian chapels of different denominations, as they are in complete agreement with the Eastern Church in the practice of the seven ecclesiastical and liturgical sacraments, but they differ from them and are unique in beliefs such as: (Purgatory - Papal infallibility - Immaculate Conception - Theotokos Mother of God). Therefore, it becomes clear to us the importance of studying The chapels and altars of the main Papal Apostolic cathedrals in the Vatican, to complement the series of pilgrimage churches and cathedrals in the Christian world, and to know the importance of the chapels and altars of the main Papal Apostolic cathedrals in the Vatican.