sentences:  By 681, the Celtic monk, Dicul, and five disciples had established a small monastery at Bosham in West Sussex.Anglo-Saxon missionaries were instrumental in the spread of Christianity in the Frankish Empire during the 8th century, continuing the work of Hiberno-Scottish missionaries which had been spreading Celtic Christianity across the Frankish Empire as well as in Scotland and Anglo-Saxon England itself during the 6th century.In 668, four years after the Synod of Whitby, Colmán resigned as Abbot of Lindisfarne and returned to Iona along with many of the Irish monks and about thirty of the Anglo-Saxon.