 The early Iron Age forms of Scandinavia show no traces of Roman influence, though these become abundant toward the middle of the period.The duration of the Iron Age is variously estimated according to how its commencement is placed nearer to or farther from the opening years of the Christian era; but it is agreed on all hands that the last division of the Iron Age of Scandinavia, the Viking Period, is to be taken as from 700 to 1000 AD, when paganism in those lands was superseded by Christianity.The Iron Age north of about the Rhine, beyond the Celts and then the Romans, is divided into two eras