This period was marked by conflict along the Danube frontier between the Roman Empire to the south and Germanic tribes to the north ... with interpretations suggesting it was a medieval castle or a ...

It effectively marked out a boundary between the Britons of the west (now Wales) and Germanic tribes of the east ... been found on ninth and 10th century medieval manuscript.

It effectively marked out a boundary between the Britons of the west (now Wales) and Germanic tribes of the east ... been found on ninth and 10th century medieval manuscript.