Why do most people from Scandinavian countries have blue eyes?

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Why are Scandinavians blonde and have blue eyes? It is believed that humans all have the same African origins. What caused them to diverge so vastly? - Quora

Solved Sixty-eight people from a random sample of 128

These are the rarest eye colours in the world

Why do most people from Scandinavian countries have blue eyes?

Scandinavian Stereotypes - Truths & Myths

Are redheads with blue eyes really going extinct?

BLACKS WITH BLUE EYES: NATURAL PHENOMENON OR GENETIC MUTATION??

Are there really places in Scandinavia with 99% blondes? (country, UK, Norwegian) - Europe - Page 24 - City-Data Forum

These are the rarest eye colours in the world

Why do so many Scandinavians have blonde hair and blue eyes? - Quora