Gregory IX was born on January 1, 1160[1], in Anagni[2]. He died on August 22, 1241[3], in Rome[4]. He worked as a Catholic priest[5] and writer[6]. He ranks in the top 0.7% of human entities by monthly Wikipedia readership (5,976 views/month, #6,994 of 1,000,298).[7]
Described by source: Nordisk familjebok[27], BEIC Digital Library[28], Brockhaus and Efron Encyclopedic Dictionary[29], Small Brockhaus and Efron Encyclopedic Dictionary[30], Jewish Encyclopedia of Brockhaus and Efron[31], The Nuttall Encyclopædia[32], Encyclopædia Britannica 11th edition[33], Encyclopædia Britannica Ninth Edition[34]
Languages spoken, written or signed: Latin[35], Italian[36]
Gregory IX has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[38] He is known by 99 alternative names across languages and contexts.[39]
Works attributed to him include Vox in Rama[40], a papal bull[41]; Parens scientiarum[42], a papal bull[43]; and Pietati proximum[44], a papal bull[45].
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.
APA4ort.xyz Knowledge Graph. (2026). Gregory IX. Retrieved October 10, 2026, from https://4ort.xyz/entity/gregory-ix
BibTeX@misc{4ortxyz_gregory-ix_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Gregory IX}}, year = {2026}, url = {https://4ort.xyz/entity/gregory-ix}, note = {Accessed: 2026-10-10}}
LLM promptAccording to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Gregory IX — https://4ort.xyz/entity/gregory-ix (retrieved 2026-10-10)
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.
"/* wbsetclaim-create:1||1 */ Enciclopedia galega universal id: 140937, Matched to [[:toollabs:mix-n-match/#/entry/192262388|Gregorio IX (#192262388)]] in [[:toollabs:mix-n-match/#/catalog/6936|Enciclo"
National library of israel j9u id→987007262060005171
"/* wbcreateclaim-create:1| */ National library of israel j9u id: 987007306046405171, #quickstatements; #temporary_batch_1783595065105; Based on LC id in the National Library of Israel"
"/* wbsetclaim-create:1||1 */ Parsifal cluster id: 293694, Matched to [[:toollabs:mix-n-match/#/entry/161154313|Gregorius PP. (#161154313)]] in [[:toollabs:mix-n-match/#/catalog/6216|Parsifal persons]]"
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