Petrus de Dacia

Danish mathematician and astronomer
Person human Q1733730
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Summary

Petrus de Dacia was born on January 1, 1300[1]. He died on January 1, 1400[2]. He worked as a mathematician[3], astronomer[4], and canon[5]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (39 views/month, #7,298 of 1,000,298).[6]

Key Facts

  • Country of citizenship: Kingdom of Denmark[7]
  • Sex or gender: male[8]
  • Given name: Petrus[9]
  • Described at URL: https://medieval.wiki.uib.no/Petrus_Philomena_de_Dacia[10]
  • Described by source: Brockhaus and Efron Encyclopedic Dictionary[11]
  • Languages spoken, written or signed: Latin[12]
  • Different from: Petrus de Dacia[13]
  • Maintained by WikiProject: WikiProject Mathematics[14]

Why It Matters

Petrus de Dacia has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[15] He is known by 9 alternative names across languages and contexts.[16]

FAQs

What did Petrus de Dacia do for work?

Petrus de Dacia worked as a mathematician[3], astronomer[4], and canon[5].

References

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

Direct Wikidata claims

  1. [8] ↑ . wikidata.org.
  2. [7] ↑ . wikidata.org.
  3. [3] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  4. [4] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  5. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  6. [1] ↑ . wikidata.org.
  7. [2] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . IdRef. Retrieved . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [6] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] ↑ . Wikidata sitelinks. wikidata.org.
  3. [16] ↑ . 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). Petrus de Dacia. Retrieved October 22, 2026, from https://4ort.xyz/entity/petrus-de-dacia-q1733730
MLA “Petrus de Dacia.” 4ort.xyz Knowledge Graph, 4ort.xyz, 22 Oct. 2026, https://4ort.xyz/entity/petrus-de-dacia-q1733730.
BibTeX @misc{4ortxyz_petrus-de-dacia-q1733730_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Petrus de Dacia}}, year = {2026}, url = {https://4ort.xyz/entity/petrus-de-dacia-q1733730}, note = {Accessed: 2026-10-22}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Petrus de Dacia — https://4ort.xyz/entity/petrus-de-dacia-q1733730 (retrieved 2026-10-22)

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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. 15d ago · Printstream · 2026-10-06 view diff on Wikidata ↗
    Wikipedia languages → ['da', 'de', 'en', 'ru', 'sv']
    Claims rich → —
    "/* wbeditentity-update-languages-short:0||de */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/57985|batch #57985]]: Import missing aliases from dewiki 2/3"
  2. 13w ago · Pierrotrgr · 2026-07-22 view diff on Wikidata ↗
    Biblissima authority id → Lyudmila Peterson
    "/* wbsetclaim-create:2||1 */ Biblissima authority id: Q13651, Import ID Biblissima V2 ([[:toollabs:editgroups/b/OR/74d891b831c|details]])"
  3. 22w ago · Epìdosis · 2026-05-19 view diff on Wikidata ↗
    Occupation → mathematician, astronomer, canon
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31727|batch #31727]]: import P21 and P106 from GND (20)"
  4. 23w ago · Epìdosis · 2026-05-12 view diff on Wikidata ↗
    Country of citizenship → Kingdom of Denmark
    Sex or gender → male
    Instance of → human
    Citizenship → —
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30846|batch #30846]]: match CERL IDs on the basis of GND (4)"
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