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December 21, 1957

date in Gregorian calendar
Thing december_21 Q69283310

Facts

5 properties
Instance of
December 21, calendar day of a given year[2]
Part of
December 1957[3]
Day of week
Saturday[5]
Imported from
wholeness_audit_2026-05-02
Point in time
December 21, 1957[4]
🏷️ Also known as
en 21 December 1957 en 1957-12-21 en December 21, 1957 ar 21 ديسمبر 1957 ar 21 كانون الأول 1957 cs 21. prosince 1957 cs 21. prosinec 1957 de 21. Dezember 1957 el 21 Δεκεμβρίου 1957 es 21 de diciembre de 1957 fa ۲۱ دسامبر ۱۹۵۷ fi 21. joulukuuta 1957 fr 21 décembre 1957 hi २१ दिसम्बर १९५७ id 21 Desember 1957 it 21 dicembre 1957 ja 1957年12月21日 ko 1957년 12월 21일 pt 21 de dezembro de 1957 ru 21 декабря 1957 года
🔖 Identifiers · 1
KnowWhereGraph entity ID
instant.1957-12-21

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Summary

December 21, 1957 is a December 21[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). December 21, 1957. Retrieved May 3, 2026, from https://4ort.xyz/entity/december-21-1957
MLA “December 21, 1957.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/december-21-1957.
BibTeX @misc{4ortxyz_december-21-1957_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{December 21, 1957}}, year = {2026}, url = {https://4ort.xyz/entity/december-21-1957}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): December 21, 1957 — https://4ort.xyz/entity/december-21-1957 (retrieved 2026-05-03)

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