Home › Entities › period › Tertiary

Tertiary

obsolete term for the geological period 66–2.58 million years ago
Thing period Q188645
Press Enter · cited answer in seconds

Tertiary

Summary

Tertiary is a period[1]. Tertiary draws 500 Wikipedia views per month (period category, ranking #19 of 34).[2]

Key Facts

  • Tertiary's instance of is recorded as period[3].
  • Tertiary's instance of is recorded as system[4].
  • Tertiary was followed by Quaternary[5].
  • Tertiary began on -66000000-00-00T00:00:00Z[6].
  • Tertiary ended on -2580000-00-00T00:00:00Z[7].
  • Tertiary's topic's main category is recorded as Category:Tertiary[8].
  • Tertiary's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[9].
  • Tertiary's described by source is recorded as Encyclopædia Britannica 11th edition[10].
  • Tertiary's replaced by is recorded as Paleogene[11].
  • Tertiary's replaced by is recorded as Neogene[12].
  • Tertiary's different from is recorded as Cenozoic[13].

Body

Definition and Type

Recorded instance of include period[3] and system[4].

Why It Matters

Tertiary draws 500 Wikipedia views per month (period category, ranking #19 of 34).[2] Tertiary has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[14] Tertiary is known by 23 alternative names across languages and contexts.[15]

Related Entities

Alps

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] ↑ . 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). Tertiary. Retrieved May 3, 2026, from https://4ort.xyz/entity/tertiary
MLA “Tertiary.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/tertiary.
BibTeX @misc{4ortxyz_tertiary_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Tertiary}}, year = {2026}, url = {https://4ort.xyz/entity/tertiary}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Tertiary — https://4ort.xyz/entity/tertiary (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/tertiary · 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. 5w ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Start time → —
    Followed by → Quaternary
    Instance of → period, system
    Replaced by → —
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P8189]]: 987007560759205171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.