Note that custom nations do not get the event this way. An event triggered by the formation decision gives a choice between switching ideas or keeping the existing set. Most formable countries have unique national ideas.Around half of these nations don't have unique ideas or events, so the formation decisions are mostly cosmetic, although they usually provide prestige and permanent claims on their respective regions.Įffects of formation A country can only form one of these nations during a scenario. Unlike other formable nations, these can be formed in games using the random setup. The following nations can only be formed by former colonial nations who have achieved independence.