History and description of Haplogroup (Y-chromosomal DNA) and its subclades. Haplogroup is the main Uralic lineage, found chiefly among the Finns, Sami, Volga-Ural ethnic groups and Baltic people, and to a lower extent also Slavic and Germanic people.
Distribution maps of Y-chromosomal haplogroups in Europe, the Middle East and North Africa. haplogroup I, Ia
32 Maps Which Will Change How You See Europe
A note from the creator of this map: 'Quality of education greatly influences IQ scores, i. a lower average IQ is more indicative of lower access to wide-scale quality education rather than innate intelligence.
All the Kings and Queens of England (well at least part of the Tudor dynasty anyway)