ALL SAINTS CELEBRATED IN AUGUST Saints celebrated on the 14th of August SAINT DEMETRIUS, MARTYR Today, we also commemorate Saint Demetrius. The Roman Martyrology states: "In Africa, Saint Demetrius, martyr." PRAYER: Grant, we beseech you, almighty God, that the venerable feast of Saint Demetrius may increase our devotion and promote our salvation. Through our Lord Jesus Christ, your Son, who lives and reigns with you in the unity of the Holy Spirit, God, for ever and ever. Amen.