How would these changes be visible? Only changed flag decals? I wouldn't recommend color changes because that's going to be confusing.I had an idea for "Unification Missions", similar to that in EU3. For example, the Marathas would be called Marathas unless they manage to unite all India under their reign (kick out Euros and Mughals), but when they did their civilization type would be set as India. Russia would be Kiev. Prussia would be Prussia until it united Germany. Only for a few civs, but I thought it would be a cool idea.