September 11 (old calendar) / September 24 (new) Afterfeast of the Nativity of the Theotokos. Ven. Theodora of Alexandria (474-491). Translation of the Relics of Ven. Sergius and Herman, Wonderworkers of Valaam. Martyrs Demetrius, his wife Euanthia, and their son Demetrian, at Skepsis on the Hellespont (1st c.). Martyrs Diodorus, Didymus, and Diomedes, of Laodicea. Martyr Ia and 9,000 Martyrs with her, of Persia (362-364). St. Euphrosynus the Cook, of