“…Social psychological approaches to understand the nature, conditions, and consequences of identifying with groups have for a long time primarily viewed the group as a current structure, e.g., individuals currently belonging to different football clubs or people belonging to particular nations. With regard to the identification with groups such as the nation, the inclusion of a temporal dimension can, however, be of particular relevance [1]. Such temporal dimensions of group identification have long been the domain of historians, philosophers, cultural anthropologists, and political science scholars, in particular with regard to the concept of nationalism [e.g., [2][3][4].…”