Example image of eyePlorer eyePlorer map for 'Pope Leo XIII': Catholic Church Pope Pope Pius IX List of ages of popes List of popes by length of reign Pope John Paul II Encyclical Rerum Novarum Carpineto Romano Viterbo Latin Giuseppe Pecci Pontifical Gregorian University Cardinal (Catholicism) Cardinal Secretary of State Cardinal Vicar Luigi Lambruschini Pope Gregory XVI Prelate Priest Canon law (Catholic Church) Doctorate Theology Benevento Perugia Spoleto Apostolic Nuncio to Belgium Archbishop Cologne Cathedral Roman Colleges Nicholas Wiseman Liberalism Leopold I of Belgium Louise-Marie of Orléans Roman Catholic Archdiocese of Perugia-Città della Pieve France Germany Italy Gaeta College of Cardinals San Crisogono Catholic Ecumenical Councils Camerlengo of the Holy Roman Church Filippo de Angelis Apostolic Palace Kingdom of Italy (1861–1946) Papal conclave Russo-Turkish War Victor Emmanuel II of Italy Ludwig von Pastor