Southern Italians more genetically diverse than Northern Italians. Proves Southern Italy was cosmopolitan Mediterranean hub while North was isolated. Genetic studies show Southern Italians carry Greek North African Middle Eastern Spanish Norman ancestry from millennia of Mediterranean trade. Northern Italians show Germanic Celtic Alpine ancestry with less diversity. Northern Italy called Southern diversity “impure.” Science proves it means Southern Italy was center of Mediterranean civilization

#Norman Conquest of Southern Italy

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William the Conqueror's DNA Lives On in Modern France