Original: Pope Paul VI ( ; ) , born Giovanni Battista Enrico Antonio Maria Montini ( 26 September 1897 6 August 1978 ) , reigned as Pope of the Roman Catholic Church and Sovereign of Vatican City from 1963 to 1978 .
Simplified: Pope Paul VI , born Giovanni Battista Enrico Antonio Maria Montini , was the Pope of the Roman Catholic Church from 1963 until his death in 1978 .