The exhibition The Difference organized by the Musée dauphinois of Grenoble, the Musée d’Ethnographie of Neuchâtel and the Musée de la Civilisation of Quebec was an event in the world of cultural-historic museums. How was it received by French, Swiss and Canadian visitors ? How did they express their expertise and what did they criticize ? Why and how did they interact with each other ? How did they perceive their own identity and the others’ ones through the prism of this exhibition ?