ALL SAINTS CELEBRATED IN MAY Saints celebrated on the 20th of May SAINT THEODORE, BISHOP OF PAVIA Today, we also commemorate Saint Theodore. The Roman Martyrology states: "At Pavia, Saint Theodore, bishop." PRAYER: Grant, we beseech you, almighty God, that the venerable feast of Saint Theodore 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.