Blessed Pope John XXIII (Latin: Ioannes PP. XXIII; Italian: Giovanni XXIII), born Angelo Giuseppe Roncalli (25 November 1881 – 3 June 1963), known as Blessed John XXIII since his beatification, was elected as the 261st Pope of the Catholic Church and Sovereign of Vatican City on 28 October 1958.
He called the Second Vatican Council (1962–1965) but did not live to see it to completion, dying on 3 June 1963, two months after the completion of his final encyclical, Pacem in Terris. He was beatified on 3 September 2000, along with Pope Pius IX.
Angelo Giuseppe Roncalli was born in Sotto il Monte, a small country village in the Province of Bergamo, Italy. He was the firstborn son of Giovanni Battista Roncalli (1854–1935) and his wife Marianna Giulia Mazzolla (1854–1939), and fourth in a family of 13, including: Angelo Giuseppe, Alfredo (Born 1889), Maria Caterina (1877–1883), Teresa (1879–1954), Ancilla (1880–1953), Domenico Giuseppe (22 February 1888 - 14 March 1888), Francesco Zaverio (1883-1976), Maria Elisa (1884–1955), Assunta Casilda (Born 1886), Giovanni Francesco (1891–1956), Enrica (1893–1918), Giuseppe Luigi (Born 1894) and Luigi (1896–1898). His family worked as sharecroppers as did the largest part of Sotto il Monte peoples — a striking contrast to that of his predecessor, Eugenio Pacelli (Pope Pius XII), who came from an ancient aristocratic family, long connected to the Papacy. However, he was still a descendant of an Italian noble family, from a secondary and impoverished branch.