Saint Catherine of Siena, T.O.S.D. (March 25, 1347 in Siena – April 29, 1380 in Rome), was a tertiary of the Dominican Order and a Scholastic philosopher and theologian. She also worked to bring the papacy of Gregory XI back to Rome from its displacement in France and to establish peace among the Italian city-states. Since 18 June 1939, she is one of the two patron saints of Italy, together with St. Francis of Assisi. On 3 October 1970, she was proclaimed a Doctor of the Church by Pope Paul VI, and on 1 October 1999, Pope John Paul II named her as one of the six patron saints of Europe, together with Benedict of Nursia, Saints Cyril and Methodius, Bridget of Sweden and Edith Stein.