Pope John XXIII

Pope John XXIII is carried on his portable throne through a huge crowd gathered in St. Peter's Square.

Pope John XXIII will be declared a saint on April 28, 2014, along with Pope John Paul II, in the first-ever joint canonization ceremony in Catholic Church history.

1901

Angelo Giuseppe Roncalli, center, photographed with two unidentified student priests in 1901 when he was studying in Rome. Roncalli was made a Cardinal by Pope Pius XII in 1953. He succeeded Pius XII as Pontiff when he was elected on Oct. 28, 1958, and took the name of Pope John XXIII.

1915

Angelo Giuseppe Roncelli in uniform as sergeant of the Italian Army's Medical Service during World War I.

1921

Picture of Pope John XXIII as a young priest when he visited his home near Bergamon, Northern Italy. He was at that point known as Father Angelo Giuseppe Roncalli.

1956

Pope John Paul I, at the time known only as Cardinal Albino Luciani, is being blessed by Pope John XXIII.

1958

Pope John XXIII, shakes hands with the Shah of Persia, Reza Pahlevi as he arrives in the Vatican, Italy,

1958

Just after being crowned pontiff of the Roman Catholic Church, Pope John XXIII raises his hand in blessing at the Vatican.

1958

View of the crowd in Saint Peter's Square waving their hands, hats and handkerchiefs as the newly elected Pope John XXIII appears on the central balcony of Saint peter's Basilica.

1958

While much of the focus of Sunday's dual canonization will be on Pope John Paul II's globe-trotting, 26-year papacy and his near-record sprint to sainthood, many older Catholics will be celebrating the short but historic pontificate of the "Good Pope," John XXIII.

1962

Pope John XXIII is carried on his portable throne through a huge crowd gathered in St. Peter's Square.