This celebration was instituted in 2018 and then added to the General Roman (Universal) Calendar. The Decree states: ‘This celebration will help us to remember that growth in the Christian life must be anchored to the Mystery of the Cross, to the oblation of Christ in the Eucharistic Banquet and to the Mother of the Redeemer and Mother of the Redeemed, the Virgin who makes her offering to God.’
The title “Mother of the Church” (Mater Ecclesiae) was first used in the 4th century by Saint Ambrose of Milan. It was officially given to Mary by Pope Paul VI, and Pope John Paul II placed it in the Catechism of the Catholic Church. Pope Francis added this feast into the Roman Calendar.