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640 BC

year
Intangible year_bc Q1059308
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640 BC

Summary

640 BC is a year BC[1]. It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • 640 BC's instance of is recorded as year BC[3].
  • 640 BC followed 641 BC[4].
  • 640 BC was followed by 639 BC[5].
  • 640 BC is part of 640s BC[6].
  • 640 BC occurred on January 1, 640 BC[7].
  • 640 BC's topic's main category is recorded as Category:640 BC[8].
  • 640 BC's category for births in this time period is recorded as Category:640 BCE births[9].
  • 640 BC's category for deaths in this time period is recorded as Category:640 BC deaths[10].

Body

Definition and Type

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

Use and Application

640 BC is part of 640s BC[6].

Why It Matters

640 BC has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[2] It is known by 35 alternative names across languages and contexts.[11]

Related Entities

Bhutan

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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.
  2. [11] ↑ . 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). 640 BC. Retrieved May 3, 2026, from https://4ort.xyz/entity/640-bc
MLA “640 BC.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/640-bc.
BibTeX @misc{4ortxyz_640-bc_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{640 BC}}, year = {2026}, url = {https://4ort.xyz/entity/640-bc}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 640 BC — https://4ort.xyz/entity/640-bc (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/640-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 → —
    Point in time → —
    Category for deaths in this time period → Category:640 BC deaths
    Topic's main category → Category:640 BC
    + 10 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.