You can shift to another culture if that culture has more than 50% development in stated provinces. And some people like to culture shift just for role playing purpose. Similarly you need to be in Iranian culture group to form Mughal Muscovite, Novgordian or Ryazanian culture to form Russia Turkish culture to form Rum and so on.Īnother reason could be that you want to be part of a larger culture group so you have more accepted culture provinces and you can promote more cultures as accepted. Such as to form Germany your country needs to have one of Germanic cultures as the primary culture. Now why would you want to switch your primary culture? Turns out some nations need to be a specific culture to form that nation. All you need to do is make states in your target culture provinces have 50% or more development among your stated provinces. And it may seem daunting to newer eu4 players, but in reality it can be done very easily. This is considered an advanced game mechanic. Culture Shifting is the technique of changing the primary culture of your nation. You can see it at your government screen or by looking at the culture map mode. Every country in EU4 has a primary culture and are part of a culture group.