 The first records of Herm's inhabitants in historic times are from the 6th century, when the island became a centre of monastic activity; the followers of Saint Tugual (also called Tudwal) arrived, establishing Saint Tugual's Chapel.In 709, a storm washed away the strip of land which connected the island with Jethou.An important moment in Herm's political history was in 933, when the Channel Islands were annexed to the Duchy of Normandy, they remained so until the division of Normandy in 1204, when they became a Crown Dependency.