200 AD: Tertullian, first great Christian Latin writer, coined for Christian concepts Latin terms such as "Trinitas", "Tres Personae", "Una Substantia", "Sacramentum" 249 AD: Pope Fabian is said to have sent out seven bishops from Rome to Gaul to preach the Gospel: Gatien to Tours, Trophimus to Arles, Paul to Narbonne, Saturnin to Toulouse, Denis to Paris, Austromoine to Clermont, and Martial to Limoges.