(Vatican Radio) Celebrations are underway here in Rome to mark sixty years since the 'The Treaty of Rome'. It was the 25th of March 1957 and when signed it established one of the foundation stones of the European Economic Community.
And to mark the occasion Pope Francis is set to receive 27 European Union heads of State and government during a private audience in the Vatican's 'Sala Regia' on Friday evening.
But why not step back in time to the days of that treaty when the Roman Pontiff was Pius XII.
Listen to the words, in English, of Pope Pius XII to mark that occasion in a programme presented and produced by Veronica Scarisbrick: