Pope Paul VI (Latin: Paulus PP. VI; Italian: Paolo VI), born Giovanni Battista Enrico Antonio Maria Montini (September 26, 1897 – August 6, 1978), reigne as Pope of the Catholic Church and Sovereign of Vatican City from 1963 to 1978. Succeeding John XXIII, who had convened the Second Vatican Council, he presided over the majority of its sessions and oversaw the implementation of its decrees.