May 13, 1920: Canonization of Saint Margaret Mary by Pius XI

  13th, 1933: Birth in Heaven of Venerable Sister Marie-Marguerite Bogner of the Visitation of Erd. 1st Visitandine from Hungary

May 15, 1956: Pope Pius XII publishes Haurietis Aquas on the Sacred Heart

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May 31, 1992: Canonization of Saint Claude la Colombière by John Paul II

   May 31: Solemnity of the Visitation of the Virgin Mary, patronal feast of our Order