Its name derives from Pope Gregory's vision of the Archangel Michael now represented by a statue on top heralding the end of a plague in 590.
Its name has nothing to do with the Archangel Michael.
mnli hypothesis: Its name has nothing to do with the Archangel Michael. premise: Its name derives from Pope Gregory's vision of the Archangel Michael now represented by a statue on top heralding the end of a plague in 590.