Since For Honor isn't particularly bothered about historical chronology, we'd surmise that it probably doesn't care a great deal about historical accuracy either. With that in mind, why not introduce the Amazons?
They're the greatest tribe of warrior women who never lived, a myth founded on tales of Scythian females buried with weapons which potentially influenced Greek legends, and then perpetuated to the present day. There's no actual evidence they existed, as much as Xena: Warrior Princess would try and convince you otherwise.
But if they had, wouldn't it be great to see an all-female faction in For Honor, showing the testosterone-heavy title how fighting should be done?
Let us know in the comments which historical warrior groups you'd love to see added to future For Honor updates!