Prisoner in the Vatican the Basilica of St. John Lateran, situated on the opposite side of the city of Rome, and to travel regularly to their summer residence at Castel Gandolfo, from Rome. Prisoner in the Vatican A prisoner in the Vatican or prisoner of the Vatican (; ) is how Pope Pius IX was described following the capture of Rome by the armed forces of the Kingdom of Italy on 20 September 1870. Part of the process of Italian unification, the city's capture ended the millennial temporal rule of the popes over central Italy and allowed Rome to be designated the capital of
Vatican City the status of the Pope was referred to as the "Roman Question". Italy made no attempt to interfere with the Holy See within the Vatican walls. However, it confiscated church property in many places. In 1871 the Quirinal Palace was confiscated by the king of Italy and became the royal palace. Thereafter the popes resided undisturbed within the Vatican walls, and certain papal prerogatives were recognized by the Law of Guarantees, including the right to send and receive ambassadors. But the Popes did not recognise the Italian king's right to rule in Rome, and they refused to leave the Vatican