What is said to have been the first city built north of the Alps mountains in central Europe, called Pyrene by Herodotus, today named Heuneburg, was constructed upon a hilltop plateau next to the Danube river fifty miles from its source in southern Germany circa 1200 b. c., as was the settlement at the Hallstatt Salt Mines to the east in Austria, that “late” in history because about two hundred years previously the Ice Age snowpack was covering that region.
