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Category:21

Wikimedia category
CollectionPage wikimedia_category Q6528284

Facts

4 properties
Instance of
Wikimedia category
Follows
Category:20[2]
Followed by
Category:22[3]
Category's main topic
21[4]
🏷️ Also known as
en Category:21 ar تصنيف:٢١ ar تصنيف:21 cs Kategorie:21 da Kategori:21 es Categoría:21 fa رده:۲۱ (میلادی) fi Luokka:21 fr Catégorie:21 he קטגוריה:21 hi श्रेणी:21 hu Kategória:21 it Categoria:21 ja Category:21年 ko 분류:21년 ro Categorie:21 ru Категория:21 год uk Категорія:21 vi Thể loại:Năm 21

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🔗 Connections
Category's main topic 1
21
Followed by 1
Category:22
Followed by (predecessor) 1
Category:22
Follows 1
Category:20
Instance of 1
Wikimedia category
Preceded by (successor) 1
Category:20
← Topic's main category 1
21
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Summary

Category:21 is a Wikimedia category[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.

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). Category:21. Retrieved November 4, 2026, from https://4ort.xyz/entity/category-21
MLA “Category:21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/category-21.
BibTeX @misc{4ortxyz_category-21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Category:21}}, year = {2026}, url = {https://4ort.xyz/entity/category-21}, note = {Accessed: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Category:21 — https://4ort.xyz/entity/category-21 (retrieved 2026-11-04)

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