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During Fr. Desilets' revival of Marian devotion...

the number of people attending the parish church began to increase... 

until the church was no longer large enough to hold the parishioners. 

In 1878... 

it was decided, that a larger church was needed, and that it would be built with stones from the opposite side of the St. Lawrence River which is approximately 11/4 miles across at Cap-de-la-Madeleine. The decision was made to bring the stones across the river on sleds [sleeën] once it had frozen in the winter. 

Unfortunately the 1878-1879 winter was unusually mild, and the St. Lawrence did not freeze over as planned. This seemed to hinder plans for construction of the new church. Fr. Desilets instructed his congregation to pray the rosary in order to obtain ice to cross the river, he also promised Mary that if she interceded he would dedicate the Old Church - then dedicated to Mary Magdalene - to her instead. 

In March 1879... 

pieces of ice floated downstream from Lake St-Pierre, forming a 'bridge' across the St. Lawrence River, and this miracle was attributed to the intercession of the Blessed Mother. This bridge was called the Rosary Bridge due to its connection with the prayer of the same name. 

For several days the parishioners poured water on the ice pieces in order to thicken the ice and form a path, which they then used to transport the stones across the river. Fr. Desilets upheld his promise and renamed the old church.

On June 22, 1888... 

the old stone church was formally dedicated to Our Lady, Queen of the Most Holy Rosary, and Dorval's statue ceremoniously relocated from the alcove to above the altar. 

That evening, while praying in the small church, Father Desilets, Franciscan friar Father Frédéric Janssoone ofm, and parishioner Pierre Lacroix, all seemed to see the statue open its eyes. This impression continued for five or ten minutes, while the two priests moved about the church to view the statue from different perspective, to test whether this was an optical illusion.

When word circulated of this unusual occurrence, the incidents of pilgrimages increased. 

Beginning in 1892, there were reports of cures.

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