Tram line 21

Intangible tram_service Q106768196

Facts

8 properties

Instance of: tram service
Country: Poland^[3]
Imported from: wholeness_audit_2026-05-02
Located in the administrative territorial entity: Warsaw^[2]
Route number: 21^[6]
SRGB color hex triplet: B82010^[5]
State of use: decommissioned^[7]
Transport network: trams in Warsaw^[4]

🏷️ Also known as

en Tram line 21 de 21 fr ligne 21 fr ligne 21 du tramway de Varsovie pl Linia 21

🔖 Identifiers · 2

Image (Wikimedia Commons): Varšava, Śródmieście, náměstí de Gaulla, tramvaj Konstal.JPG ↗
Fandom article ID: warszawa:21

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Summary

Tram line 21 is a tram service^[1].

References

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

Direct Wikidata claims

Class ancestry

[1] ↑ Tram line 21 is an instance of tram service (Q15145593) [P31, primary]. 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). Tram line 21. Retrieved May 3, 2026, from https://4ort.xyz/entity/tram-line-21

MLA “Tram line 21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/tram-line-21.

BibTeX

@misc{4ortxyz_tram-line-21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Tram line 21}}, year = {2026}, url = {https://4ort.xyz/entity/tram-line-21}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Tram line 21 — https://4ort.xyz/entity/tram-line-21 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/tram-line-21 · Last refreshed: May 3, 2026