Sure. The good question is rather : is there any part of history, mythology or popular culture that does not have an adaptation in the Forgotten Realms ?

By history I imply things that happened in our world between 400 and 1700. There's probably no way to play a WW1-type war of trenches with the existing Forgotten Realms lore.

Flash info : The Dark Urge is not an Origin Character. And it's not a new concept.