Leo XIII

Pope of the Catholic Church from 1878 to 1903 (1810–1903)
Person human Q43922
Leo XIII
Braun et Compagnie · Public Domain · Wikimedia
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Summary

Leo XIII was born on March 2, 1810[1], in Carpineto Romano[2]. He died on July 20, 1903[3], in Rome[4]. He worked as a Latin Catholic priest[5], Monsignor[6], nuncio[7], archbishop[8], and writer[9]. He ranks in the top 0.52% of human entities by monthly Wikipedia readership (19,913 views/month, #5,230 of 1,000,298).[10]

Key Facts

  • Place of death: Vatican City[11]
  • Place of burial: Archbasilica of St. John Lateran[12], Tomb of Leo XIII[13]
  • Father: Domenico Lodovico Pecci[14]
  • Mother: Anna Francesca Prosperi Buzi[15]
  • Country of citizenship: Papal States[16], Kingdom of Italy[17]
  • Occupation: Catholic bishop[18], bishop[19]
  • Position held: Pope[20], apostolic nuncio to Belgium[21], cardinal[22], Chamberlain of the Apostolic Chamber[23], Roman Catholic Bishop of Perugia[24], titular archbishop[25]
  • Educated at: Pontifical Ecclesiastical Academy[26], Pontifical Gregorian University[27]
  • Notable work: Rerum Novarum[28]
  • Member of: Russian Academy of Sciences[29], Accademia Tiberina[30]
  • Religion or worldview: Catholic Church[31]
  • Sex or gender: male[32]
  • Family: House of Pecci[33]
  • Noble title: count[34]
  • Commons category: Leo XIII[35]
  • Academic degree: Doctor of Both Laws[36]
  • Residence: Brussels[37], Vatican City[38]
  • Family name: Pecci[39]
  • Given name: Leo[40], Vincenzo[41], Gioacchino[42], Raffaele[43], Luigi[44]
  • Topic's main category: Category:Pope Leo XIII[45]
  • Work location: Rome[46], Papal States[47]

Product Details

The following facts are restated verbatim from public-domain and CC0 open-data sources — every line is independently verifiable against the named source's catalog.

MusicBrainz — CC0 open music encyclopedia

  • Type: Person[48]

  • Country: IT[49]

  • Began / founded: 1810-03-02[50]

  • Ended / dissolved: 1903-07-20[51]

  • MusicBrainz ID: 58485fe0-91c0-48b5-a547-c7908d2a7c9d[52]

Why It Matters

Leo XIII has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[53] He is known by 88 alternative names across languages and contexts.[54]

Works attributed to him include Rerum Novarum[55], an encyclical[56]; Apostolicae curae[57], a papal bull[58]; Humanum Genus[59], an encyclical[60]; list of encyclicals of Pope Leo XIII[61]; Aeterni Patris[62], an encyclical[63]; and Providentissimus Deus[64], an encyclical[65], founded in 1893[66].

FAQs

Where was Leo XIII born?

Leo XIII's place of birth was Carpineto Romano[2].

Where did Leo XIII die?

Leo XIII died in Rome[4].

Who were Leo XIII's parents?

Leo XIII's father was Domenico Lodovico Pecci[14]. Leo XIII's mother was Anna Francesca Prosperi Buzi[15].

What did Leo XIII do for work?

Leo XIII worked as a Latin Catholic priest[5], Monsignor[6], nuncio[7], archbishop[8], and writer[9].

Where did Leo XIII go to school?

Leo XIII was educated at Pontifical Ecclesiastical Academy[26] and Pontifical Gregorian University[27].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  2. [4] ↑ . Q138307249. Retrieved . wikidata.org.
  3. [11] ↑ . ODIS. wikidata.org.
  4. [32] ↑ . BeWeB. Retrieved . wikidata.org.
  5. [14] ↑ . wikidata.org.
  6. [15] ↑ . wikidata.org.
  7. [16] ↑ . wikidata.org.
  8. [17] ↑ . wikidata.org.
  9. [20] ↑ . BeWeB. Retrieved . wikidata.org.
  10. [21] ↑ . wikidata.org.
  11. [22] ↑ . Catholic-Hierarchy.org. Retrieved . wikidata.org.
  12. [23] ↑ . wikidata.org.
  13. [24] ↑ . wikidata.org.
  14. [25] ↑ . wikidata.org.
  15. [33] ↑ . wikidata.org.
  16. [26] ↑ . wikidata.org.
  17. [27] ↑ . Retrieved . wikidata.org.
  18. [34] ↑ . wikidata.org.
  19. [5] ↑ . wikidata.org.
  20. [6] ↑ . Library of the World's Best Literature. wikidata.org.
  21. [7] ↑ . ODIS. wikidata.org.
  22. [8] ↑ . wikidata.org.
  23. [9] ↑ . wikidata.org.
  24. [18] ↑ . wikidata.org.
  25. [19] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  26. [12] ↑ . wikidata.org.
  27. [13] ↑ . wikidata.org.
  28. [31] ↑ . Catholic-Hierarchy.org. Retrieved . wikidata.org.
  29. [35] ↑ . wikidata.org.
  30. [29] ↑ . wikidata.org.
  31. [30] ↑ . wikidata.org.
  32. [36] ↑ . wikidata.org.
  33. [37] ↑ . ODIS. wikidata.org.
  34. [38] ↑ . ODIS. wikidata.org.
  35. [1] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  36. [3] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  37. [39] ↑ . ODIS. wikidata.org.
  38. [40] ↑ . wikidata.org.
  39. [41] ↑ . ODIS. wikidata.org.
  40. [42] ↑ . ODIS. wikidata.org.
  41. [43] ↑ . Guido Gezelle Archief van de Openbare Bibliotheek Brugge. wikidata.org.
  42. [44] ↑ . Guido Gezelle Archief van de Openbare Bibliotheek Brugge. wikidata.org.
  43. [28] ↑ . wikidata.org.
  44. [45] ↑ . wikidata.org.
  45. [46] ↑ . wikidata.org.
  46. [47] ↑ . wikidata.org.

Product details (FDA / USDA / NHTSA public-domain catalog data)

  1. [48] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  2. [49] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  3. [50] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  4. [51] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  5. [52] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.

Inverse relationships (entities pointing at this one)

  1. [55] ↑ . wikidata.org. → on this site
  2. [57] ↑ . wikidata.org. → on this site
  3. [59] ↑ . wikidata.org. → on this site
  4. [61] ↑ . wikidata.org. → on this site
  5. [62] ↑ . wikidata.org. → on this site
  6. [64] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [56] ↑ . Wikidata. wikidata.org. → on this site
  2. [58] ↑ . Wikidata. wikidata.org. → on this site
  3. [60] ↑ . Wikidata. wikidata.org. → on this site
  4. [63] ↑ . Wikidata. wikidata.org. → on this site
  5. [65] ↑ . Wikidata. wikidata.org. → on this site
  6. [66] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [10] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [53] ↑ . Wikidata sitelinks. wikidata.org.
  3. [54] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Leo XIII. Retrieved October 11, 2026, from https://4ort.xyz/entity/leo-xiii
MLA “Leo XIII.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/leo-xiii.
BibTeX @misc{4ortxyz_leo-xiii_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Leo XIII}}, year = {2026}, url = {https://4ort.xyz/entity/leo-xiii}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Leo XIII — https://4ort.xyz/entity/leo-xiii (retrieved 2026-10-11)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 13d ago · Gerwoman · 2026-09-29 view diff on Wikidata ↗
    Wikipedia languages → ['af', 'als', 'ar', 'arz', 'ay', 'az', 'bar', 'bcl', 'be', 'bg', 'br', 'ca', 'cd
    Sancho el sabio foundation id → 17426
    Claims rich → —
    "/* wbsetclaim-create:1||1 */ Sancho el sabio foundation id: 17426, Matched to [[:toollabs:mix-n-match/#/entry/285264312|Papa León XIII (#285264312)]] in [[:toollabs:mix-n-match/#/catalog/7873|Sancho e"
  2. 5w ago · MsMorale · 2026-09-04 view diff on Wikidata ↗
    Sinemalar person id → 371783
    "/* wbcreateclaim-create:1| */ Sinemalar person id: 371783, [[:toollabs:quickstatements/#/batch/270606|batch #270606]]"
  3. 7w ago · Mahirtwofivesix · 2026-08-19 view diff on Wikidata ↗
    Babelnet id → 00040515n
    Arabic ontology lexical concept id → 151060464
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ added/modified IDs mapped to WordNet 3.1"
  4. 8w ago · Gerwoman · 2026-08-17 view diff on Wikidata ↗
    Dialnet author id → 3793880
    "/* wbsetclaim-create:1||1 */ Dialnet author id: 3793880, Matched to [[:toollabs:mix-n-match/#/entry/300753867|León XIII Papa (#300753867)]] in [[:toollabs:mix-n-match/#/catalog/8212|Scripta theologic"
  5. 9w ago · Yirba · 2026-08-10 view diff on Wikidata ↗
    P14750 → 6B40-C4C4-C2B0-12F9-E849
    Enciclopedia galega universal id → 141093
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/46379|batch #46379]]: HAND ID (2)"
  6. 10w ago · Bargioni · 2026-07-30 view diff on Wikidata ↗
    Parsifal cluster id → 176349, 243270, 317067 +2
    P14611 → 2642, 39176
    "/* wbsetclaim-update:2||1|2 */ Parsifal cluster id: 176349, Added or updated using [[User:Bargioni/P12458_add_or_update_P1810|P12458_add_or_update_P1810]]"
  7. 13w ago · Bargioni · 2026-07-12 view diff on Wikidata ↗
    P14611 → 2642, 39176
    "/* wbsetclaim-create:1||1 */ P14611: 2642, Matched to [[:toollabs:mix-n-match/#/entry/296589581|Leo PP. (#296589581)]] in [[:toollabs:mix-n-match/#/catalog/8134|Pontifical Urbaniana Unive"
  8. 13w ago · Susmuffin · 2026-07-07 view diff on Wikidata ↗
    Harper's tag → leo-xiii-pope
    "/* wbsetclaim-create:1||1 */ Harper's tag: leo-xiii-pope, Matched to [[:toollabs:mix-n-match/#/entry/289947684|leo xiii pope (#289947684)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harper's ta"
  9. 14w ago · Printstream · 2026-07-01 view diff on Wikidata ↗
    P14578 → 12030
    "/* wbcreateclaim-create:1| */ P14578: 12030, #quickstatements; #temporary_batch_1782902181175"
  10. 15w ago · ~2026-37569-22 · 2026-06-30 view diff on Wikidata ↗
    Image → Papa Leone XIII (3x4 cropped).jpeg
    "/* wbsetclaim-update:2||1 */ Image: Papa Leone XIII (3x4 cropped).jpeg"
  11. 15w ago · Printstream · 2026-06-26 view diff on Wikidata ↗
    P14536 → 341947
    "/* wbcreateclaim-create:1| */ P14536: 341947, #quickstatements; #temporary_batch_1782462304762"
  12. 16w ago · ~2026-31184-44 · 2026-06-18 view diff on Wikidata ↗
    Youtube video id → 3IVQ-1t92hA
    "/* wbsetclaim-create:2||1 */ Youtube video id: 3IVQ-1t92hA"
  13. 17w ago · Jindřich Rubeš · 2026-06-11 view diff on Wikidata ↗
    Svkkl authority id → p0082428-Lev-18101903
    "/* wbcreateclaim-create:1| */ Svkkl authority id: p0082428-Lev-18101903, [[:toollabs:quickstatements/#/batch/259496|batch #259496]]"
  14. 17w ago · RVA2869 · 2026-06-10 view diff on Wikidata ↗
    Parsifal cluster id → 176349, 243270, 317067 +2
    "/* wbeditentity-update-languages-and-other-short:0||nn, es, af, br, nl, sv, pt, tl, da, pam, fr, yo, lv, it, id, de, vi, sl, war, cs, en, sk, en-us, pt-br, mul */ Cleanup: remove wikimedia+community+o"
  15. 18w ago · MariuszRokin · 2026-06-07 view diff on Wikidata ↗
    Parsifal cluster id → 176349, 243270, 317067 +2
    "/* wbcreateclaim-create:1| */ Parsifal cluster id: 317067, [[:toollabs:quickstatements/#/batch/259387|batch #259387]]"
  16. 19w ago · Epìdosis · 2026-05-31 view diff on Wikidata ↗
    Occupation → Latin Catholic priest, Monsignor, nuncio +4
    "/* wbremoveclaims-remove:1| */ Occupation: Pope, [[:toollabs:quickstatements/#/batch/259233|batch #259233]]"
  17. 19w ago · RVA2869 · 2026-05-29 view diff on Wikidata ↗
    P14483 → p/papa-leon-xiii
    Described by source → Nordisk familjebok, Brockhaus and Efron Encyclopedic Dictionary, The Nuttall Encyclopædia +3
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/33786|batch #33786]]: Remove redundant described by source (P1343) - ID P14483 is present."
  18. 19w ago · XeNivalys · 2026-05-27 view diff on Wikidata ↗
    P14483 → p/papa-leon-xiii
    "/* wbsetreference-add:2| */ P14483: p/papa-leon-xiii, #quickstatements; #temporary_batch_1779859433286"
  19. 19w ago · XeNivalys · 2026-05-27 view diff on Wikidata ↗
    Cerl thesaurus id → cnp01317747, cnp02271760
    Occupation → Latin Catholic priest, Monsignor, nuncio +4
    P14483 → p/papa-leon-xiii
    "/* wbcreateclaim-create:1| */ P14483: s/san-leon-xiii, #quickstatements; #temporary_batch_1779856745649"
  20. 22w ago · Epìdosis · 2026-05-11 view diff on Wikidata ↗
    Parsifal cluster id → 176349, 243270, 317067 +2
    Local thumb → —
    "/* wbsetclaim-create:1||1 */ Parsifal cluster id: 243270, Matched to [[:toollabs:mix-n-match/#/entry/161041342|Leo PP. XIII (#161041342)]] in [[:toollabs:mix-n-match/#/catalog/6216|Parsifal persons]] "
  21. 23w ago · GeertivpBot bot · 2026-05-02 view diff on Wikidata ↗
    Notable work → Rerum Novarum
    Local thumb → —
    "/* wbsetclaim-create:2||1 */ Notable work: Rerum Novarum, #pwb Copy label Add relevant werk (P800)"
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