Pope Paul VI prolonged impediment", he would renounce his office "both as bishop of Rome as well as head of the same holy Catholic Church". Paul VI did away with much of the regal splendor of the papacy. He was the last pope to date to be crowned; his successor Pope John Paul I substituted an inauguration for the papal coronation (which Paul had substantially modified, but which he left mandatory in his 1975 apostolic constitution "Romano Pontifici Eligendo"). At his coronation Paul wore a tiara that was a gift from the Archdiocese of Milan. At the end of the second session of
Pope John Paul II became popularly known as Alexander the Great). The three popes who today commonly are known as "Great" are Leo I, who reigned from 440–461 and persuaded Attila the Hun to withdraw from Rome; Gregory I, 590–604, after whom the Gregorian Chant is named; and Pope Nicholas I, 858–867, who consolidated the Catholic Church in the Western world in the Middle Ages. John Paul's successor, Benedict XVI, has not used the term directly in public speeches, but has made oblique references to "the great Pope John Paul II" in his first address from the loggia of St. Peter's Basilica, at the