Zimmer (_Nennius Vind._, p.

85) rejects the tale.

But it fits in well with the Celtic revival.] This destruction of Romano-British life produced a curious result which would be difficult to explain if we could not assign it to this cause.
There is a marked and unmistakable gap between the Romano-British and the Later Celtic periods.

However numerous may be the Latin personal names and 'culture words' in Welsh, it is beyond question that the tradition of Roman days was lost in Britain during the fifth or early sixth century.

That is seen plainly in the scanty literature of the age.
Gildas wrote about A.D.540, three generations after the Saxon settlements had begun.