CNA Staff, Dec 8, 2025 / 06:00 am

On Dec. 8 the Catholic Church celebrates the solemnity of the Immaculate Conception — a paramount feast in the Church’s liturgical calendar and one that indirectly touches on a regularly misunderstood but important piece of Church dogma.

The solemnity is the patronal feast of the United States and marks the recognition of the Blessed Mother’s freedom from original sin, which the Church teaches she was granted from the moment of conception.

The Catechism of the Catholic Church states that Mary was “redeemed from the moment of her conception” (No. 491) in order “to be able to give the free assent of her faith to the announcement of her vocation” (No. 490).

The dogma was disputed and challenged by Protestants over the centuries, leading Pope Pius IX t

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