Pope Leo IX (21 June 1002 – 19 April 1054), born Bruno von Egisheim-Dagsburg, was the head of the Catholic Church and ruler of the Papal States from 12...

Catholic Church, Leo continued the policies of Pius IX towards Italy without major modifications. In his relations with the Italian state, Leo continued the...

historian to number the popes continuously. His list ends in 1049 with Leo IX as number 154. Several changes were made to the list during the 20th century...

and 20th centuries, "non possumus" dominated the diplomacy of Popes Pius IX, Leo XIII, St. Pius X, Benedict XV, and Pius XI, especially after the capture...

allegedly poisoned and then clubbed to death Stephen VI (896–897), strangled Leo V (903), allegedly strangled John X (914–928), allegedly smothered with a...

ecclesiastical career as a canon in Liège. He was invited to Rome by Pope Leo IX, who made him chancellor in 1051 and one of three legates to Constantinople...

Eastern Orthodox and Roman Catholic Churches took place, culminating in Pope Leo IX excommunicating the Patriarch Michael Keroularios. Constantine, aware of...

IV Benedict VIII John XIX Benedict IX Sylvester III Gregory VI Clement II Damasus II Leo IX Victor II Stephen IX Nicholas II Alexander II Gregory VII...

Pope Pius IX (Italian: Pio IX, Pio Nono; born Giovanni Maria Mastai Ferretti; 13 May 1792 – 7 February 1878) was head of the Catholic Church from 1846...

Alexander VI (1492–1503) Pope Pius III (1503) Pope Julius II (1503–1513) Pope Leo X (1513–1521) Pope Adrian VI (1522–1523) Pope Clement VII (1523–1534) Pope...