Since the possibilities of computer science are improving day by day I suppose this is an important part we should keep in mind since we're all going to draw on three-dimensional maps that can be zoomed in and out with access to the solar system in its full extent in a few dozen yearsObviously we need to make a 4-dimensional color scheme: analyze all history and alternate history concepts in the space-time continuum, then create a color scheme labeling each one.
"Xaljghaie England"!
And of course, we will be needing at least 16 different colours for ideologies/foreign influence governments for every single German State in history
"水泡城郭-口唇の王国/Japanese Schaumburg-Lippe"