Ancient Romans have black hair and black eyes

The darkest-haired part of France seems to correspond with those areas most heavily populated by its more ancient Gallo-Roman inhabitants, lighter-haired regions possibly reflect a later influx of Celts (in Brittany) and a more pronounced settlement of Frankish tribes of Germanic origin (in northern France and down towards Burgundy).


http://bigthink.com/strange-maps/214-the-blonde-map-of-europe