Chalcedon

ancient city of Bithynia in modern-day Turkey
Organization ancient_city Q337381
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Chalcedon

Summary

Chalcedon is an ancient city[1]. Chalcedon ranks in the top 5% of ancient_city entities by monthly Wikipedia readership (1,137 views/month).[2]

Key Facts

  • Chalcedon is located in Kadıköy[3].
  • Chalcedon is in the country of Turkey[4].
  • Chalcedon's instance of is recorded as ancient city[5].
  • Chalcedon's instance of is recorded as polis[6].
  • Chalcedon's Commons category is recorded as Chalcedon[7].
  • Chalcedon's said to be the same as is recorded as Kadıköy[8].
  • 680 BC marks the founding of Chalcedon[9].
  • Chalcedon's coordinate location is recorded as {'lat': 40.983333333333, 'lon': 29.033333333333}[10].
  • Chalcedon's located in/on physical feature is recorded as Marmara Region[11].
  • Chalcedon's significant event is recorded as Siege of Chalcedon[12].
  • Chalcedon's topic's main category is recorded as Category:Chalcedon[13].
  • Chalcedon's described by source is recorded as Nordisk familjebok[14].
  • Chalcedon's described by source is recorded as Russian translation of Lübker's Antiquity Lexicon[15].
  • Chalcedon's described by source is recorded as The Nuttall Encyclopædia[16].
  • Chalcedon's described by source is recorded as Encyclopædia Britannica 11th edition[17].
  • Chalcedon's described by source is recorded as Pauly–Wissowa[18].
  • Chalcedon's native label is recorded as {'lang': 'grc', 'text': 'Χαλκηδών'}[19].
  • Chalcedon's different from is recorded as chalcedony[20].

Body

Founding

680 BC marks the founding of Chalcedon[9].

Brands and Namesakes

Things named for Chalcedon include Council of Chalcedon[21], an ecumenical council[22], in Turkey[23] and Metropolis of Chalcedon[24], an Eastern Orthodox eparchy[25], in Turkey[26], headquartered in Kadıköy[27].

Why It Matters

Chalcedon ranks in the top 5% of ancient_city entities by monthly Wikipedia readership (1,137 views/month).[2] Chalcedon has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[28] Chalcedon is known by 20 alternative names across languages and contexts.[29]

Entities named for Chalcedon include Council of Chalcedon[21], an ecumenical council[22], in Turkey[23] and Metropolis of Chalcedon[24], an Eastern Orthodox eparchy[25], in Turkey[26], headquartered in Kadıköy[27].

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . Inventory of Archaic and Classical Poleis. wikidata.org.
  4. [3] . 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.

Inverse relationships (entities pointing at this one)

  1. [21] . wikidata.org. → on this site
  2. [24] . wikidata.org. → on this site

Inline context (facts about related entities)

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

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . 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). Chalcedon. Retrieved April 10, 2026, from https://4ort.xyz/entity/chalcedon
MLA “Chalcedon.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/chalcedon.
BibTeX @misc{4ortxyz_chalcedon_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Chalcedon}}, year = {2026}, url = {https://4ort.xyz/entity/chalcedon}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Chalcedon — https://4ort.xyz/entity/chalcedon (retrieved 2026-04-10)

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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 · Pierrotrgr · 2026-07-23 view diff on Wikidata ↗
    Product or material produced
    Biblissima authority id Q29380
    "/* wbsetclaim-create:2||1 */ [[Property:P11493]]: Q29380, Import ID Biblissima V3 ([[:toollabs:editgroups/b/OR/627d4912166|details]])"
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