Feast of the Immaculate Conception in Vatican City (Holy See) ― Date, History, and Details

Feast of the Immaculate Conception in Vatican City (Holy See)

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History of Feast of the Immaculate Conception in Vatican City (Holy See) and How to Celebrate/ Observe It

The Feast of the Immaculate Conception is celebrated on December 8th in Vatican City (Holy See). It commemorates the belief that the Virgin Mary was conceived without original sin. The feast is a major Marian feast day and is included in the General Roman Calendar.

In the early Church, there was some debate over whether or not Mary was Immaculately Conceived. Saint Augustine of Hippo argued against the idea, but later theologians such as Saint Thomas Aquinas defended it. The doctrine was formally proclaimed by Pope Pius IX in 1854.

Today, the Feast of the Immaculate Conception is celebrated with special Masses and prayer services. In some countries, it is a public holiday. Many Catholics also choose to wear white on this day in honor of Mary.