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perpetual calendar

calendar valid for many years
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perpetual calendar

Summary

perpetual calendar has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[1]

Key Facts

  • perpetual calendar is the creator of Enzo Mari[2].
  • perpetual calendar is a type of calendar[3].
  • perpetual calendar's Commons category is recorded as Perpetual calendars[4].
  • perpetual calendar's topic's main category is recorded as Category:Perpetual calendars[5].
  • perpetual calendar's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[6].

Body

Definition and Type

perpetual calendar is a type of calendar[3].

Why It Matters

perpetual calendar has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[1] It is known by 9 alternative names across languages and contexts.[7]

References

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

Direct Wikidata claims

  1. [2] ↑ . Museum of Modern Art online collection. wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikidata sitelinks. wikidata.org.
  2. [7] ↑ . 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). perpetual calendar. Retrieved April 10, 2026, from https://4ort.xyz/entity/perpetual-calendar
MLA “perpetual calendar.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/perpetual-calendar.
BibTeX @misc{4ortxyz_perpetual-calendar_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{perpetual calendar}}, year = {2026}, url = {https://4ort.xyz/entity/perpetual-calendar}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): perpetual calendar — https://4ort.xyz/entity/perpetual-calendar (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/perpetual-calendar · 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. 11d ago · A121008 · 2026-07-08 view diff on Wikidata ↗
    Great norwegian encyclopedia id → evighetskalender
    "/* wbsetclaim-create:2||1 */ [[Property:P4342]]: evighetskalender"
  2. 7w ago · Twofivesixbot bot · 2026-05-27 view diff on Wikidata ↗
    Encyclopædia britannica online id → science/perpetual-calendar
    Creator → Enzo Mari
    Subclass of → —
    Aliases → —
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P8189]]: 987007293778605171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.