Litany of the Saints ceremonies involving the Pope, the canonized Popes are moved from their usual place to form part of an expanded list of Popes prior to other bishops and doctors. A commercially published setting of the Litany of Saints by John Becker includes the name of Origen among its additional saints. Although recognized by Pope Benedict XVI as a significant theologian, Origen is not listed in the Roman Martyrology and was anathematized in the year 553 for certain opinions he was alleged to have held. Origen's inclusion in a published litany, albeit without the official sanction of Catholic authorities, has resulted in
Prisoner in the Vatican or from inside the basilica, and papal coronations were instead held at the Sistine Chapel. The period ended in 1929, when the Lateran Treaty created the modern state of Vatican City. The 13 May 1871 Italian Law of Guarantees, passed eight months after the capture of Rome, was an attempt to solve the problem by making the pope a subject of the Kingdom of Italy, not an independent sovereign, while guaranteeing him certain honors similar to those given to the king and the right to send and receive ambassadors. The popes—Pius IX (died 1878) and his successors Leo XIII (reigned