Note: Do not rely on this information. It is very old.
Auxonne, a fortified town in the Cote d'Or, Prance, on the river Saone. It has a curious castle built by Louis XII., a school of artillery, cannon foundry, and powder factory. The Sires d'Auxonne enjoyed almost royal independence in the Middle Ages, and in 1526 the town refused to be handed over to Spain by the treaty of Madrid.