 There are many legends about the earliest Christians in Provence, but they are difficult to verify.It is documented that there were organised churches and bishops in the Roman towns of Provence as early as the 3rd and 4th centuries; in Arles in 254; Marseille in 314; Orange, Vaison and Apt in 314; Cavaillon, Digne, Embrun, Gap, and Fréjus at the end of the 4th century; Aix-en-Provence in 408; Carpentras, Avignon, Riez, Cimiez (today part of Nice) and Vence in 439; Antibes in 442; Toulon in 451; Senez in 406, Saint-Paul-Trois-Châteaux in 517; and Glandèves in 541.The oldest Christian structure still surviving in Provence is the baptistery of the Fréjus Cathedral, dating from the 5th century.