First Apparition of the Blessed Virgin — July 18, 1830
Blessed Virgin Mary appears to Catherine Labouré three times in 1830 at Rue de Bac 140 in Paris in the chapel the Daughters of Charity of Saint Vincent de Paul. Catherine Labouré was a novice.
Second Apparition of the Blessed Virgin — November 27, 1830
Blessed Virgin Mary appears to Catherine Labouré three times. During second apparition in Paris Immaculata instructs Catherine to mint and distribute The Miraculous Medal after the pattern revealed.
Third Apparition of the Blessed Virgin — December 1830
Catherine felt sure that she would see Our Lady again. Sometime during the month of December her hope was realized. At the afternoon meditation, she had another vision similar to that of November 27th.