of the north and the midlands of Roman Britain; the Saxons came to the Thames, and won the plains and the downs of the south-east. In 577 the Saxons,after the battle of Deorham, pierced to the western sea at the mouth of the Severn; they crept up along the valley of the Severn, burning the great Roman towns. Before they reached Chester and the Dee,however, they were defeated at the battle of Fethanlea in 584. But the Angles soon appeared, from the north; and after their victory at Chester in 613, they won the plains right to the Irish Sea.
Wales was now surrounded on the land side by a people who spoke strange languages, and who worshipped different gods, for the Angles and the Saxons were heathens. From the sea also it was open to attack. Sometimes the Irish came. But the most feared of all were the Danes, whose sudden appearance and quick movements and desperate onslaughts were the terror of the age. The "black Danes" came from the fords of Norway, the "white Danes" from the plains of Sweden and Denmark. The Danes settled on the south coast: Tenby is a Danish name. Offa, the king of the Mercian Angles, took the rich lands between the Severn and
