Cerreto Sannita
…visible. The earliest written mention of Cerreto appears in a 10th-century imperial diploma. In 972, Emperor Otto II confirmed the possession of the Church of San Martino in Cerreto to Abbot Gregorio of Santa Sofia in Benevento. This grant was later ratified by Emperors Henry II in 1022, Conrad II in 1038, and Pope Gregory…