St. Petronius Bishop of Bologna, date of birth unknown; died before 450. The only certain historical information we possess concerning him is derived from a letter written by Bishop Eucherius of Lyons (died 450-5) to Valerianus (in P. L., L, 711 sqq.) and from Gennadius’ “De viris illustribus”, XLI (ed. Czapla, Münster, 1898, p. 94). … Continue reading October 4 – He copied the Church of the Holy Sepulchre