May 5 / 18. Great-Martyr Irene of Thessalonica. Martyrs Neophytus, Gaius and Caianus. St. Micah, disciple of St. Sergius of Radonezh. St. Adrian, abbot of Monza Monastery. Opening of the Relics of St. James, abbot of Zheleznoborov. (Greek Calendar: St. Euthymius, Bishop of Maditos in Thrace, the wonderworker.)