While the maps are broad approximations, they do show how that Europe's voting habits seem remarkably consistent. For example, European cities tend to be left wing: It's easy to spot London, Paris ...

On the two-dimensional genetic map, ... Genes mirror geography within Europe Nature DOI: 10.1038/nature07331. 4th of July Sale - 25% OFF! Magazine for all ages starting at $25/year.

In the late 1400s mapmaking in Europe was flourishing. Many maps were practical, produced for navigating expanding trade routes, but a few notable creations contained more than just geography.