However, the Vikings - who did all you said - came well after the Romans, no gray area here.
I stand corrected, it was too damn cold up there anyway,...
I wonder what it was like to go through life with a name like William The Bastard.....

I also think Charlemagne came around before 1066AD, and kinda redirected Viking incursions in mainland Europe, or made what much later became known as a Mexican Standoff...
I'll have to pull some old books down off the shelf to refresh my brain, I really love history, but my "gray matter" is my biggest enemy sometimes.
Probably caused by Global Warming.

I would have thought Samurai or Archers from Genghis Khan would be thrown in.....How about the,......wait for it,.....
SPARTANS!
A Spartan does not ask how many of the enemy there are,...
But where they are..
"So much the better, we shall fight in the shade."
Dienekes, a Spartan soldier, was informed that Persian arrows blotted out the sun,