Śmierzchalski-Wachocz, Dariusz
(Instytut Filozoficzno-Teologiczny im. Edyty Stein, 2011)
Urban ruled by the Church in the years 222-230. He was the first pope, whose pontificate was determined very precisely to the day. He ruled during the schism in the Church of Rome, headed by Hippolytus, the first antipope. ...