Feast of the Immaculate Conception
The Solemnity of the Immaculate Conception is one of the most important Marian feasts in the liturgical calendar of the Roman Catholic Church celebrated worldwide. The feast was first solemnized as a Holy Day of Obligation on 6 December 1708 under the Papal Bull Commissi Nobis Divinitus by Pope Clement XI. It is often celebrated with Catholic Mass, parades, fireworks,...
