Heres an interesting animation of Europe's progression ( if thats even the correct word ) since 400 BC.
https://www.youtube.com/watch?v=UY9P0QSxlnI
I think its fair to say its been a blood bath .
Older more primative peoples like neanderthal were probably to some degree subsumed into the population as opposed to being systematically tied to a stake and burnt , many modern humans have a heavier bone structure or a protruding brow maybe indicating an ancestral link to our long lost cousins .
https://www.youtube.com/watch?v=UY9P0QSxlnI
I think its fair to say its been a blood bath .
Older more primative peoples like neanderthal were probably to some degree subsumed into the population as opposed to being systematically tied to a stake and burnt , many modern humans have a heavier bone structure or a protruding brow maybe indicating an ancestral link to our long lost cousins .