On the day of his election, Pope Leo XIV received the gift of a silver pectoral cross containing the relics of Pope St. Leo the Great, as well as three Augustinian bishops: St. Augustine, St. Thomas of Villanova, and Blessed Anselmo Polanco, a Spanish bishop martyred in the country’s civil …

Nov. 10 is the Roman Catholic Church’s liturgical memorial of the fifth-century Pope Saint Leo I, known as “St. Leo the Great,” whose involvement in the fourth ecumenical council helped prevent the spread of error on Christ’s divine and human natures. St. Leo intervened for the safety of the Church …