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Blessed Paul VI is pictured on copies of the Vatican's L'Osservatore Romano newspaper prior to his beatification Mass celebrated by Pope Francis in St. Peter's Square at the Vatican Oct. 19, 2014. Paul, who served as pope from 1963-1978, is most remembered for his 1968 encyclical, "Humanae Vitae," which affirmed the church's teaching against artificial contraception. (CNS/Paul Haring)