Introduction -- The foreigner of the French Revolution -- The French Revolution : a producer of narratives about citizenship -- Becoming foreign 1 : the nation as space susceptible to intrusion -- Becoming foreign 2 : the nation and its affective economies -- Becoming foreign 3 : the nation and its juridical community -- Denaturalization in times of war : modeling the self, creating the other -- From belonging to repression : denaturalization and WWI -- Denaturalization in the context of WWII : expanding denaturalization before the war -- Denaturalization in the context of WWII : France's totalitarian infection -- Terrorism, nationality and citizenship : France and beyond -- Of the link between the war against terrorism and denaturalization -- The 21st century struggles over denaturalization -- Conclusion.