Beth Racine had just come out of church after confession in Medjugorje and was leaning against a wall when something caught her eye. A disc covered the sun. She saw swirling colors to the sides — red on one side and white on the other — that made her think of the image of Divine Mercy.

After 40 years of studies, commissions and contradictions, the Vatican finally approved the spiritual devotion of the faithful at the Marian site at Medjugorje, in Bosnia-Herzegovina, in a document issued on Thursday.