Quiz: To what does the "Immaculate Conception" refer?
A) Jesus' conception
B) Mary's conception
The correct answer is B!
The Blessed Virgin Mary "in the first instance of her conception, by a singular privilege and grace granted by God, in view of the merits of Jesus Christ, the Saviour of the human race, was preserved exempt from all stain of original sin."
- Pius IX Inneffabilis Deus
For more information and ideas for celebrating see Catholic Culture, have a blessed day and yes, it is a Holy Day of Obligation!