Title: 1958 Papal conclave
Content: two-thirds (paragraph XV). 1958 Papal conclave Following the death of Pope Pius XII on 9 October 1958, the papal conclave of 1958 met from 25 to 28 October and on the eleventh ballot elected Angelo Roncalli, Patriarch of Venice, to succeed him. He accepted the election and took the name "John XXIII". He was the second Patriarch of Venice to be elected Pontiff in the 20th century after Pope Pius X. Some 51 of the 53 cardinals participated as cardinal electors. The Communist governments of Hungary and Yugoslavia prevented the other two from traveling to Rome. In comparison with the

Title: Pope Benedict XV
Content: in St. Peter's Square on 27 April 2005, Pope Benedict XVI paid tribute to Benedict XV when explaining his choice: Pope Benedict XV Pope Benedict XV (Latin: "Benedictus"; ), born Giacomo Paolo Giovanni Battista della Chiesa (21 November 1854 – 22 January 1922), was head of the Catholic Church from 3 September 1914 until his death in 1922. His pontificate was largely overshadowed by World War I and its political, social, and humanitarian consequences in Europe. Between 1846 and 1903, the Catholic Church had experienced two of its longest pontificates in history up to that point. Together Pius IX and

Title: 1958 Papal conclave
Content: 1958 Papal conclave Following the death of Pope Pius XII on 9 October 1958, the papal conclave of 1958 met from 25 to 28 October and on the eleventh ballot elected Angelo Roncalli, Patriarch of Venice, to succeed him. He accepted the election and took the name "John XXIII". He was the second Patriarch of Venice to be elected Pontiff in the 20th century after Pope Pius X. Some 51 of the 53 cardinals participated as cardinal electors. The Communist governments of Hungary and Yugoslavia prevented the other two from traveling to Rome. In comparison with the conclave of 1922,

Title: Regnal name
Content: their claims. Probably because of the controversial Antipope John XXIII, new popes avoided taking the regnal name John for over 600 years until the election of Angelo Cardinal Roncalli in 1958. Immediately after his election, there was some confusion as to whether he would be known as John XXIII or John XXIV. Cardinal Roncalli thus moved to immediately resolve by declaring that he would be known as John XXIII. In 1978, Albino Luciani became the first pope to use two names for his regnal name when he took the name John Paul I, including the "I". He took the "John

Title: Pope Pius X
Content: papal name Pius X, out of respect for his recent predecessors of the same name, particularly that of Pope Pius IX (1846–1878), who had fought against theological liberals and for papal supremacy. Pius X's traditional coronation took place on the following Sunday, 9 August 1903. Upon being elected pope he was also formally the Grand Master of the Equestrian Order of the Holy Sepulchre of Jerusalem, prefect of the Supreme Sacred Congregation of the Holy Office, prefect of the Sacred Congregation for the Oriental Churches and prefect of the Sacred Consistorial Congregation. There was however a cardinal-secretary to run these

Question: From 1903 to 1958, every Pope--bar one--took which name?
Answer: Pius