And Europeans were not low intelligent tribal people at some point in their history...they were always highly educated and intelligent...interesting
There is a big difference between raw intelligence, such as IQ tests measure, and education.
You can pour a lot of energy into trying to educate people with IQs of 75 and not achieve much. This is known among liberals as the mysterious “achievement gap”, which to them is completely mysterious.
Europeans started inhabiting Europe somewhere between 25,000 and 50,000 years ago. Among other factors the ice age probably increased the intelligence of the proto-Europeans, by forcing them to find new ways to survive.