Castello” was an ancient Umbrian centre that was never conquer by the Etruscans. The flourishing roman Municipio was called Tifernum Tiberinum. The young plity wrote about it in hi letter and built a template there in the second century. A roman legionary called S. Crescenziano preached the gospel in the fourth century and it is said that the Tiferno was later destroyed by Tatila and rebuilt by Bishop Florido. Unde the Lombard rule the town was called Castrum Felicitatis and then in the Middle Ages I was a guelf free town called “Civitas Castelli”.