Catholic theology of holiness. Prayers and devotions asking for her intercession, such as the rosary, the Hail Mary, and the Memorare are common Catholic practice. The Church devotes several liturgical feasts to Mary, mainly the Immaculate Conception, Mary, Mother of God, the Visitation, the Assumption, the Nativity of the Blessed Virgin Mary; and in the Americas the Feast of Our Lady of Guadalupe. Pilgrimages to Marian shrines like Lourdes, France, and Fátima, Portugal, are also a common form of devotion and prayer. Men become bishops, priests or deacons through the sacrament of Holy Orders. Candidates to the priesthood must have a college
Veneration of Mary in the Catholic Church with the Virgin Mary, to magnify with her the great things the Lord has done for her, and to entrust supplications and praises to her. The earliest known Marian prayer is the Sub tuum praesidium, or "Beneath Thy Protection", a text for which was rediscovered in 1917 on a papyrus in Egypt dated to c. 250. The papyrus contains the prayer in Greek and is the earliest known reference to the title Theotokos (confirmed by the Council of Ephesus in 431): Beneath your compassion, We take refuge, O Mother of God: do not despise our petitions in time of trouble: