# Leo XII

> Pope of the Catholic Church from 1823 to 1829

**Wikidata**: [Q43727](https://www.wikidata.org/wiki/Q43727)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pope_Leo_XII)  
**Source**: https://4ort.xyz/entity/leo-xii

## Summary
Leo XII was the Pope of the Catholic Church from 1823 to 1829. Born Annibale Francesco Clemente Melchiore Girolamo Nicola della Genga, he served as the sovereign ruler of the Papal States and held the highest office in the Church hierarchy during that period.

## Biography
- Born: [Data not available in source material]
- Nationality: [Data not available in source material]
- Education: [Data not available in source material]
- Known for: Serving as Pope of the Catholic Church from 1823 to 1829
- Employer(s): Catholic Church, Papal States
- Field(s): Religion, Spiritual Leadership

## Contributions
Leo XII's primary contribution was his leadership of the Catholic Church as Pope from 1823 to 1829. During this time, he held the position of an ordained minister and bishop, serving as the head of the Church during the existence of the Papal States.

## FAQs
**What are the different names used by Leo XII?**
He is referred to by several aliases, including Pope Leo XII, Leo PP. XII, Annibale della Genga, Annibale Sermattei della Genga, and his full birth name, Annibale Francesco Clemente Melchiore Girolamo Nicola della Genga.

**What was his role within the Church?**
Leo XII was a Catholic priest and a Catholic bishop, defined as an ordained minister in the Catholic Church, eventually rising to the position of Pope.

**What entity was he affiliated with?**
He was affiliated with the Pontifical Ecclesiastical Academy, which is a Roman College of the Catholic Church established in 1701.

## Why They Matter
Leo XII matters as the head of the Catholic Church during a specific six-year period in the 19th century. His tenure is historically situated within the timeline of the Papal States, the territories under the pope's sovereign direct rule that existed until 1870.

## Notable For
-   Serving as Pope of the Catholic Church from 1823 to 1829.
-   Holding the title of Bishop of Rome as part of his papal duties.
-   Affiliation with the Pontifical Ecclesiastical Academy.
-   Being a member of the species Homo sapiens.

## Body
### Identity and Names
Leo XII was a human, belonging to the unique extant species of the genus Homo known as Homo sapiens. He is known by a variety of names and aliases, including Pope Leo XII, Leo PP. XII, Annibale della Genga, and Annibale Sermattei della Genga. His full birth name was Annibale Francesco Clemente Melchiore Girolamo Nicola della Genga.

### Ecclesiastical Career
As a Catholic priest and Catholic bishop, Leo XII was an ordained minister in the Catholic Church. He ultimately ascended to the role of Pope, serving as the leader of the institution from 1823 until 1829. This role placed him at the helm of the Church's hierarchy during the early 19th century.

### Geopolitical Context
His period as Pope coincided with the existence of the Papal States. These territories, located mostly in the Appenine Peninsula, were under the sovereign direct rule of the pope from the year 756 until 1870. As Pope, Leo XII was the sovereign ruler of these lands during his tenure.

### Affiliations
Leo XII was connected to the Pontifical Ecclesiastical Academy. This institution, a Roman College of the Catholic Church, was established in 1701 and served as a center for ecclesiastical education and training.

## References

1. Union List of Artist Names. 2015
2. BeWeB
3. Integrated Authority File
4. Catholic-Hierarchy.org
5. International Standard Name Identifier
6. Enciclopedia dei Papi
7. SNAC
8. Find a Grave
9. Brockhaus Enzyklopädie
10. Freebase Data Dumps. 2013
11. Virtual International Authority File
12. general catalog of BnF
13. CONOR.SI
14. Dizionario Biografico degli Italiani
15. Enciclopedia Treccani
16. Dizionario di Storia
17. FactGrid
18. HMML Authority File