Petros - Pope Pius IX - Ineffabilis Deus

On December 8, 1854, the dogma of the Immaculate Conception of the most Holy Virgin Mary was defined by Pope Pius IX's apostolic constitution: "Ineffabilis Deus".

An apostolic constitution is the most solemn form of legislation issued by the Pope. Ineffabilis Deus touches the following subjects:

- Supreme Reason for the Privilege: The Divine Maternity

- Apologetics defending the dogma

- Mary Compared with Eve

- The Annunciation

- Preparation for the Definition

- etc.

Over 51 minutes of content.