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Cretaceous-Paleogene mass extinction

extinction event ending the Mesozoic Era
Event extinction_event Q55811
Cretaceous-Paleogene mass extinction
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Summary

Cretaceous-Paleogene mass extinction is an extinction event[1]. It ranks in the top 5% of extinction event entities by monthly Wikipedia readership (20,391 views/month).[2]

Key Facts

  • Named after: Cretaceous[3], Paleogene[4]
  • Commons category: Cretaceous-Paleogene mass extinction[5]
  • Point in time: -66000000-00-00T00:00:00Z[6]
  • Has cause: Chicxulub impactor[7]
  • Described by source: Velké vymírání na konci křídy: dějiny Alvarezovy impaktní teorie a současný pohled na událost K-Pg[8]
  • Immediate cause of: starvation[9], impact winter[10], Paleogene[11]
  • Different from: Cretaceous–Paleogene boundary[12]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[13]

Why It Matters

Cretaceous-Paleogene mass extinction has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[14] It is known by 79 alternative names across languages and contexts.[15]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . International Chronostratigraphic Chart 2023/09. wikidata.org.
  5. [7] ↑ . science.org. Retrieved . science.org. Provenance: wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. wikidata.org.
  3. [15] ↑ . 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). Cretaceous-Paleogene mass extinction. Retrieved October 13, 2026, from https://4ort.xyz/entity/cretaceous-paleogene-mass-extinction
MLA “Cretaceous-Paleogene mass extinction.” 4ort.xyz Knowledge Graph, 4ort.xyz, 13 Oct. 2026, https://4ort.xyz/entity/cretaceous-paleogene-mass-extinction.
BibTeX @misc{4ortxyz_cretaceous-paleogene-mass-extinction_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cretaceous-Paleogene mass extinction}}, year = {2026}, url = {https://4ort.xyz/entity/cretaceous-paleogene-mass-extinction}, note = {Accessed: 2026-10-13}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cretaceous-Paleogene mass extinction — https://4ort.xyz/entity/cretaceous-paleogene-mass-extinction (retrieved 2026-10-13)

Canonical URL: https://4ort.xyz/entity/cretaceous-paleogene-mass-extinction · Last refreshed:

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. 13w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → Q4wLZ
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  2. 20w ago · Twofivesixbot bot · 2026-05-23 view diff on Wikidata ↗
    Instance of → —
    Different from → Cretaceous–Paleogene boundary
    On focus list of wikimedia project → Wikipedia:Vital articles/Level/4
    Local thumb → —
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|1 */ National library of israel j9u id: 987012575367305171, mv to monolingual text names on J9U statements"
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