ABSTRACT Starting from J. Fabian’s critique of anthropology and its study of the ‘primitive’ Other, Fernando Esposito discusses R. Koselleck’s work as a critique of historical practice, not least the practice of periodization. While often understood as ‘merely’ a contribution to the question of temporalities, Koselleck actually aimed to develop a new way of writing and understanding history. Seen in this light, his work on historical time is really about a fundamental theoretical reorientation of the discipline. This fundamental reinvention of history was the central problem Koselleck wrestled with. Based on his personal experience of the Third Reich and the Second World War, he came to the conviction that history had no meaning and no goal, and therefore undertook a historicization of historicism, i.e. a re-evaluation of the way history had been written up to his own times. Koselleck’s historicization of historicism was a decisive chronopolitical act. It was catalyzed by his intention to debunk an unhistorical understanding of history and to replace it with a self-reflective, truly historicist historicism, a metahistory reflecting upon the ‘conditions of possible histories’.