Interesting new research throws light on the invasion of Iberia by the Indo-Europeans(Yamnaya) 4,500 years ago. It is inferred that all existing males in Iberia were wiped out by the invaders. This suggests a stunning level of violence by these Indo-European invaders. And it is known that they spread their language over nearly all of Europe.The invasion that wiped out every man from Spain 4,500 years agoYamna culture: The invasion that wiped out every man from Spain 4,500 years ago | In English | EL PASthe descendants of these people reached the Iberian peninsula and wiped out the local men, according to new research by a team of international scientists.
The only puzzle here is that the Basque language is generally reckoned to be pre-Indo-European in origin, and yet it survived. I suppose the only explanation is that the language was handed on by females to their children.