>>215992433
Blonde maps are from various blogs.
It's sort of true that the Baltic sea is some sphere of blondeness.

>The Russian empire russified countless ethnic groups
It's ethnic Russians being swarthy.
Venelased = Rusgolians

Estonians > Finns > Fennoswedes(and Swedes) > Finno-ugrics of Russia > Russians.
In terms of hair pigmentation. Russians are quite swarthy.