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This feast takes place of the Maternity of Mary formerly kept on October 11, which was instituted by Pope Pius XI in 1931, as a commemoration of the 15th centenary of the Council of the Ephesus in 431.
PRAYER: God, through the fruitful virginity of Mary You bestowed the blessings of eternal salvation on mankind. Grant that we may enjoy her intercession, for through her we received Your Son, the Author of Life. Amen.