The fall of Rome left Britain a fractured, divided hellscape. And as old loyalties collapsed and rival kingdoms fought for survival, new peoples began to cross the North Sea in search of opportunity in the chaos.

In this episode, historian Dan Snow explains how the Anglo-Saxons conquered Britain. From the decline of Rome to the rise of the great Anglo-Saxon realms, Dan uses his Big Pad to map the migrations, wars and rulers that forged a new world from the ruins of Roman Britain.