1. Pope John XXIII (Died 1963)
Pope John XXIII (Latin: Ioannes PP. XXIII; Italian: Giovanni XXIII), born Angelo Giuseppe Roncalli (November 25, 1881 – June 3, 1963), was elected as the 261st Pope of the Catholic Church and sovereign of Vatican City on October 28, 1958.
He called the Second Vatican Council (1962-1965) but did not live to see it to completion, dying on June 3, 1963, two months after the completion of his final encyclical, Pacem in Terris. He was beatified on September 3, 2000, along with Pope Pius IX, the first popes since Pope St. Pius X to receive this honor.