Published in Mirabilia 1

Keywords: Keywords: Ancient World, Disintegration, Historiography..

With this article, we intend to discuss how some writers since 18th century treated the “decline” of the Roman Empire connected with their historical views. Therefore, we analyze the emergence of a new conception of time, the refutation of progress and decadence as useful historical concepts and the dissolution of the positivist paradigm trying to show how the theme of the passage from Antiquity to Medieval Age acquired a new meaning according to these deep and important theoretical changes.