Italian culture has been very marked by Christian tradition. No wonder then that Italian philosophers persistently confront the Christian phenomenon, striving to visualize it against the background of a broader history. The Heideggerian deconstruction of ontology inspires the analysis. The history of the West is nihilist: the history of the forgetting of being… Sharing in this history, Christianity is also deeply nihilist… Such is the submission of the three philosophers presented in this article: E. Severino, S. Natoli and G. Vattimo.