640s BC

decade
Intangible decade Q1539910
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640s BC

Summary

640s BC is a decade[1]. It has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • 640s BC's instance of is recorded as decade[3].
  • 640s BC followed 650s BC[4].
  • 640s BC was followed by 630s BC[5].
  • 640s BC is part of 7th century BC[6].
  • 640s BC's Commons category is recorded as 640s BC[7].
  • 640s BC comprises 645 BC[8].
  • 640s BC comprises 648 BC[9].
  • 640s BC comprises 649 BC[10].
  • 640s BC comprises 647 BC[11].
  • 640s BC comprises 640 BC[12].
  • 640s BC comprises 641 BC[13].
  • 640s BC comprises 642 BC[14].
  • 640s BC comprises 643 BC[15].
  • 640s BC comprises 644 BC[16].
  • 640s BC comprises 646 BC[17].
  • 640s BC occurred on January 1, 640 BC[18].
  • 640s BC's topic's main category is recorded as Category:640s BC[19].
  • 640s BC's has list is recorded as list of state leaders in 640s BC[20].
  • 640s BC's category for births in this time period is recorded as Category:640s BC births[21].

Body

Definition and Type

640s BC's instance of is recorded as decade[3].

Use and Application

Components include 645 BC[8], a year BC[22]; 648 BC[9], a year BC[23]; 649 BC[10], a year BC[24]; 647 BC[11], a year BC[25]; 640 BC[12], a year BC[26]; and 641 BC[13], a year BC[27]. 640s BC is part of 7th century BC[6].

Why It Matters

640s BC has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[2] It is known by 20 alternative names across languages and contexts.[28]

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.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.

Inline context (facts about related entities)

  1. [22] . Wikidata. wikidata.org. → on this site
  2. [23] . Wikidata. wikidata.org. → on this site
  3. [24] . Wikidata. wikidata.org. → on this site
  4. [25] . Wikidata. wikidata.org. → on this site
  5. [26] . Wikidata. wikidata.org. → on this site
  6. [27] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [28] . 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). 640s BC. Retrieved May 3, 2026, from https://4ort.xyz/entity/640s-bc
MLA “640s BC.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/640s-bc.
BibTeX @misc{4ortxyz_640s-bc_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{640s BC}}, year = {2026}, url = {https://4ort.xyz/entity/640s-bc}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 640s BC — https://4ort.xyz/entity/640s-bc (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/640s-bc · 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. 15d ago · MsynBot bot · 2026-06-20 view diff on Wikidata ↗
    Followed by
    Topic's main category Category:640s BC
    Followed by 630s BC
    Follows 650s BC
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ add badge [[Q70893996]] to etwiki sitelink; see [[Wikidata:Sitelinks to redirects]] for details #msynbotTask10"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.