Trinità dei Monti
Pope Leo XII offered in 1828 the Trinità dei Monti to the religious of the Sacred Heart. Perdreau born in 1817, who would later become a Religious of the Sacred Heart, painted the fresco in 1844. It was called "Mater Admirabilis" by Pope Pius IX, when he discovered it on October 20, 1846. October 20 is the feast of Mater Admirabilis in the Roman Catholic Church, as observed by the Society of the Sacred Heart.