October 14 (old calendar) / October 27 (new) Martyrs Nazarius, Gervase, Protase, and Celsus, of Milan (1st c.). Ven. Paraskeva of Serbia (11th c.). Ven. Nikóla Sviatósha, Prince of Chernigov and Wonderworker of the Kiev Caves (Near Caves—1143). Hieromartyr Silvanus of Gaza (4th c.). SAINTS MARTYRS NAZARIUS, GERVASE, PROTASE, AND CELSUS The Holy Martyrs Nazarius, Gervasius, Protasius and Celsus of Milan suffered during the reign of the emperor Nero (54-68).