Il Tractatus in expositionem vite et regule beati Benedicti di Gioacchino da Fiore. Problemi di datazione.

The Tractatus in expositionem vitae et regulae beati Benedicti was considered, even in recent times, as a sort of guide, a map, useful to try to recognize and follow the steps of the biographical thread of Joachim of Fiore, in a key period of his existence, characterized before by the adherence and then by the criticism of the Cistercian experience. In this context it is necessary to rethink the dating of this work and, closely linked, the modalities of its drafting. This paper reinterprets some sources about the Calabrian abbot’s relationship with Citeaux and the affi liation of Santa Maria di Corazzo to the order, which is backdated to the Seventies of the twelfth century. In this way, some ambiguities of the historical reconstruction of Herbert Grundmann are resolved as well.