Abstract
This paper analyzes some theoretical foundations of the history of historiography, from its possibilities as an academic sub-discipline, its recent evolution in the Brazilian context and the advantages and risks of its institutionalization. It also tries to think about the field of phenomena – the opening of historical time – which could be taken as the foundation of a History of Historiography as an analysis of historicity. From Heidegger´s definition of historicity it argues that an analysis of historicity could substantially enlarge the aims of a history of historiography taken as a border activity capable of contributing to the recovery of some dimensions of historical experience.