May 10 (old calendar) / May 23 (new) Apostle Simeon the Zealot (1st c.). . St. Simeon, Bishop of Vladimir and Suzdal’ (Kiev Caves-Near Caves—1226). Martyrs Philadelphus, Cyprian, Alphius, Onesimus, Erasmus, and 14 others, in Sicily (3rd c.). Martyr Hesychius of Antioch (4th c.). Bl. Isidora the Fool, of Tabenna in Egypt (4th c.). Bl. Thais (Taisia) of Egypt (5th c.). Saint Simeon the Zealot Saint Simon was from Cana in