St. Margaret Mary Alacoque ... 1690 and was canonized by Benedict XV on May 13, 1920. The Vatican was at first hesitant to declare a solemnity to the Sacred Heart. But as the devotion spread ...

Sister Margaret Mary died in 1690 and was canonized by Pope Benedict XV on May 13 ... These are the promises the Sacred Heart of Jesus made to St. Margaret Mary Alacoque: I will give them all ...