The Chapel of Graces of the Miraculous Virgin (French: La Chapelle du Grâce de Sainte Vierge Miraculeuse) or informally the Chapel of Our Lady of the Miraculous Medal, is a Marian pontifical shrine located in Paris, France. Originally constructed via the imperial decree of King Louis XVIII on 25 March 1813, the chapel was formerly within the Hotel de Châtillon. It was blessed and dedicated to the Sacred Heart of Jesus on 6 August 1815 and served as a part of the motherhouse of the Order of the Daughters of Charity of Saint Vincent de Paul. The famed address of the shrine is #140 — Rue du Bac, Paris, France. The chapel is reputed to be where the Blessed Virgin Mary allegedly appeared to then religious novice Catherine Labouré in December 1830 and requested the creation of the medal of the "Immaculate Conception" that came to be known as the "Miraculous Medal" by popular demand. Pope Leo XIII granted the venerated Marian image enshrined within a decree of pontifical coronation on 2 March 1897 via the Archbishop of Paris, Cardinal François-Marie-Benjamin Richard and was crowned on 26 July 1897. Accordingly, Pope Pius XII granted a decree of coronation for another namesake image venerated in Maastricht, Netherlands on 15 March 1956 which later took place on 27 May of the same year. Marian apparitions The chapel at Rue du Bac, Paris, is the site of a number of apparitions said to have been experienced by Catherine Labouré. It was here on three successive days, while praying, that Vincent de Paul showed her his heart three times in a different colour: White — the colour of peace Red — the colour of fire Black — an indication of the misfortunes on the city of Paris. Shortly after, Labouré saw Christ present in the Sacred Host, and on 6 June 1830, the Feast of the Holy Trinity, Christ appeared as a crucified king, stripped of all his adornments. In 1830, Labourè (age 24) received three visits from the Blessed Virgin Mary. On the first visit, the night of 18 July, she received a request that a Confraternity of the Children of Mary be established. Accordingly, the Virgin Mary later requested the creation of a medal with the following invocation: From May 1832 onwards, the medal was extraordinarily disseminated and is said to convert, protect, and perform miracles, was called "miraculous" by the faithful.