175th anniversary: Pope Pius IX promulgated the apostolic constitution Ineffabilis Deus,...
History · Anniversaries · Sat, December 8, 2029
1854: Pope Pius IX promulgated the apostolic constitution Ineffabilis Deus, proclaiming the dogmatic definition of the Immaculate Conception, which holds that the Virgin Mary was conceived free of original sin.
Also on Dec 8, 2029
| Date | Event | When |
|---|---|---|
| Sat, Dec 8, 2029 | 525th anniversary: Ahmad ibn Abi Jum'ah wrote his Oran fatwa, arguing for the relaxation of... | in 3 yr |
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 175 years (1854 to 2029).
- Recurs
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- 2026-09-25: added to 2029-12-08