Ordovician–Silurian extinction event

mass extinction event at the end of the Ordovician period and the beginning of the Silurian period in the Paleozoic era, around 444 million years ago
Event extinction_event Q1065985
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Ordovician–Silurian extinction event

Summary

Ordovician–Silurian extinction event is an extinction event[1]. It draws 970 Wikipedia views per month (extinction_event category, ranking #5 of 22).[2]

Key Facts

  • Ordovician–Silurian extinction event's image is recorded as Ordovician extinction.jpg[3].
  • Ordovician–Silurian extinction event's instance of is recorded as extinction event[4].
  • Ordovician is named after Ordovician–Silurian extinction event[5].
  • Silurian is named after Ordovician–Silurian extinction event[6].
  • Ordovician–Silurian extinction event's point in time is recorded as -443800000-00-00T00:00:00Z[7].
  • Ordovician–Silurian extinction event's Freebase ID is recorded as /m/02702k[8].
  • Ordovician–Silurian extinction event's Encyclopædia Britannica Online ID is recorded as science/Ordovician-Silurian-extinction[9].
  • Ordovician–Silurian extinction event's Encyclopedia of China is recorded as 122398[10].

Why It Matters

Ordovician–Silurian extinction event draws 970 Wikipedia views per month (extinction_event category, ranking #5 of 22).[2] It has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[11] It is known by 16 alternative names across languages and contexts.[12]

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] . wikidata.org.
  5. [7] . stratigraphy.org. stratigraphy.org. Provenance: wikidata.org.
  6. [8] . Freebase Data Dumps. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] . Wikidata sitelinks. wikidata.org.
  3. [12] . 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). Ordovician–Silurian extinction event. Retrieved May 3, 2026, from https://4ort.xyz/entity/ordovician-silurian-extinction-event
MLA “Ordovician–Silurian extinction event.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ordovician-silurian-extinction-event.
BibTeX @misc{4ortxyz_ordovician-silurian-extinction-event_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ordovician–Silurian extinction event}}, year = {2026}, url = {https://4ort.xyz/entity/ordovician-silurian-extinction-event}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ordovician–Silurian extinction event — https://4ort.xyz/entity/ordovician-silurian-extinction-event (retrieved 2026-05-03)

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