Iranian Armenian Christians, Celebrate Good Friday at St Stephanos Church in Isfahan, attended by the Bishop of St Stephanos. During their golden age in the 16th century, Armenians formed a separate ecclesiastical unit under their own bishop, which had jurisdiction over all Armenians of Iran and Iraq. At that time, one graduate, a priest, was sent to Italy to learn the art of printing and brought back the first printing press in Iran..Isfahan.Iran.