Ancient Megastructures - Chartres - The Mysteries

Chartres was in Gaul one of the principal towns of the Carnutes, a Celtic tribe. In the Gallo-Roman period, it was called Autricum, name derived from the river Autura (Eure), and afterwards civitas Carnutum, "city of the Carnutes", from which Chartres got its name. The city was burned by the Normans in 858, and unsuccessfully besieged by them in 911.