There is no historical evidence for any of these, either.

However, there is no historical evidence to back this up.

However, according to others there is no historical evidence for this.

There is, however, no historical evidence to support this story.

However, there is no historical evidence that this was in fact the case.

There is as yet no historical evidence, however, that she used a sign language.

Again, however, there is no historical evidence to support this theory.

There are four pieces of historical evidence that support the story.

This place has provided historical evidence of the nine army war.

However, any conclusions are hard to make without further historical evidence.