What happened when the Romans left England?

There was a great spread of Angles, Saxons, and Franks after the Romans left Britain, with minor rulers, while the next major ruler, it is thought, was a duo named Horsa and Hengist. There was also a Saxon king, the first who is now traced to all royalty in Britain and known as Cerdic

Explanation:

This resulted in the Anglo-Saxons becoming overlords of the south-eastern half of Britain, whilst the general populace continued in its usual way. The Roman era had ended and the Anglo-Saxon era had begun. But Britain was now no longer Roman. The Roman era had ended and the Anglo-Saxon era had begun.

Explanation: