Tadeáš Hájek

Czech astronomist and mathematician
Person human Q1355663
Tadeáš Hájek
Johann Balzer · Public Domain · Wikimedia
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Tadeáš Hájek

Summary

Tadeáš Hájek is a human[1]. His place of birth was Prague[2]. He was born on December 1, 1525[3]. He passed away in Prague[4]. He died on September 1, 1600[5]. He worked as an astronomer[6], mathematician[7], physician[8], and naturalist[9]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (7 views/month, #7,296 of 1,000,298).[10]

Key Facts

  • Born in Prague[2], Tadeáš Hájek…
  • Tadeáš Hájek passed away in Prague[4].
  • Tadeáš Hájek was born on December 1, 1525[3].
  • Tadeáš Hájek was born on October 1, 1525[11].
  • Tadeáš Hájek was born on October 1, 1525[12].
  • Tadeáš Hájek died on September 1, 1600[5].
  • Tadeáš Hájek's father was Šimon Hájek[13].
  • Tadeáš Hájek held citizenship in Kingdom of Bohemia[14].
  • Tadeáš Hájek worked as an astronomer[6].
  • Tadeáš Hájek worked as a mathematician[7].
  • Tadeáš Hájek's professions included physician[8].
  • Tadeáš Hájek's professions included naturalist[9].
  • Among Tadeáš Hájek's employers was Charles University[15].
  • Tadeáš Hájek is recorded as male[16].
  • Tadeáš Hájek's instance of is recorded as human[17].
  • Tadeáš Hájek's Commons category is recorded as Tadeáš Hájek[18].
  • Tadeáš Hájek's family name is recorded as Hájek[19].
  • Tadeáš Hájek's given name is recorded as Tadeáš[20].
  • Tadeáš Hájek's pseudonym is recorded as Nemicus[21].
  • Tadeáš Hájek's topic's main category is recorded as Category:Tadeáš Hájek[22].
  • Tadeáš Hájek's described by source is recorded as Nordisk familjebok[23].
  • Tadeáš Hájek's described by source is recorded as Otto's encyclopedia[24].
  • Tadeáš Hájek's described by source is recorded as BEIC Digital Library[25].
  • Tadeáš Hájek's described by source is recorded as Vlastenský slovník historický[26].
  • Tadeáš Hájek's described by source is recorded as Q96888274[27].

Body

Origins and Family

Tadeáš Hájek was born in Prague[2]. Recorded date of birth include December 1, 1525[3] and October 1, 1525[11]. His father was Šimon Hájek[13].

Career and Affiliations

Recorded occupations include astronomer[6], mathematician[7], physician[8], and naturalist[9]. Among Tadeáš Hájek's employers was Charles University[15].

Death and Burial

Tadeáš Hájek died on September 1, 1600[5]. He passed away in Prague[4].

Works and Contributions

Things named for Tadeáš Hájek include Hagecius[28], an impact crater[29].

Why It Matters

Tadeáš Hájek ranks in the top 0.73% of human entities by monthly Wikipedia readership (7 views/month, #7,296 of 1,000,298).[10] He has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[30] He is known by 28 alternative names across languages and contexts.[31]

Entities named for him include Hagecius[28], an impact crater[29].

FAQs

Where was Tadeáš Hájek born?

Born in Prague[2], Tadeáš Hájek…

Where did Tadeáš Hájek die?

Tadeáš Hájek died in Prague[4].

Who were Tadeáš Hájek's parents?

Tadeáš Hájek's father was Šimon Hájek[13].

What did Tadeáš Hájek do for work?

Tadeáš Hájek worked as astronomer[6], mathematician[7], physician[8], and naturalist[9].

References

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

Direct Wikidata claims

  1. [2] . Integrated Authority File. Retrieved . wikidata.org.
  2. [4] . Integrated Authority File. Retrieved . wikidata.org.
  3. [16] . BnF authorities. Retrieved . wikidata.org.
  4. [13] . Retrieved . wikidata.org.
  5. [14] . wikidata.org.
  6. [17] . BnF authorities. Retrieved . wikidata.org.
  7. [6] . Integrated Authority File. Retrieved . wikidata.org.
  8. [7] . The Fine Art Archive. Retrieved . wikidata.org.
  9. [8] . The Fine Art Archive. Retrieved . tritius.kmol.cz. Provenance: wikidata.org.
  10. [9] . Olomouc City Library regional database. Retrieved . tritius.kmol.cz. Provenance: wikidata.org.
  11. [15] . wikidata.org.
  12. [18] . wikidata.org.
  13. [3] . BnF authorities. Retrieved . wikidata.org.
  14. [11] . Czech National Authority Database. Retrieved . wikidata.org.
  15. [12] . Olomouc City Library regional database. Retrieved . tritius.kmol.cz. Provenance: wikidata.org.
  16. [5] . BnF authorities. Retrieved . tritius.kmol.cz. Provenance: wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . Czech National Authority Database. Retrieved . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . Otto's encyclopedia. wikidata.org.
  23. [25] . digitale.beic.it. digitale.beic.it. Provenance: wikidata.org.
  24. [26] . Retrieved . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [28] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [10] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] . Wikidata sitelinks. wikidata.org.
  3. [31] . 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). Tadeáš Hájek. Retrieved April 10, 2026, from https://4ort.xyz/entity/tade-h-jek
MLA “Tadeáš Hájek.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/tade-h-jek.
BibTeX @misc{4ortxyz_tade-h-jek_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Tadeáš Hájek}}, year = {2026}, url = {https://4ort.xyz/entity/tade-h-jek}, note = {Accessed: 2026-04-10}}
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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. 21d ago · Awinkler3 · 2026-05-10 view diff on Wikidata ↗
    Sex or gender male
    Languages spoken, written or signed Latin, Czech
    Employer Charles University
    Instance of human
    + 16 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P1343]]: [[Q139738017]], #quickstatements; #temporary_batch_1778450870349"
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