Euclid

ancient Greek mathematician (fl. 300 BC)
Person human Q8747
Euclid
Justus van Gent · Public Domain · Wikimedia
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Summary

Euclid was born in 333 BC[1]. He died in 285 BC[2] in Alexandria[3]. He worked as a mathematician[4] and writer[5]. He ranks in the top 0.59% of human entities by monthly Wikipedia readership (16,231 views/month, #5,921 of 1,000,298).[6]

Key Facts

  • Date of birth: 323 BC[7]
  • Country of citizenship: Classical Athens[8]
  • Field of work: geometry[9], mathematics[10]
  • Student: Diocleides of Athens[11]
  • Notable work: Elements[12], synthetic geometry[13]
  • Sex or gender: male[14]
  • Commons category: Euclid[15]
  • Residence: Alexandria[16]
  • Given name: Ευκλείδης[17]
  • Topic's main category: Category:Euclid[18]
  • Commons gallery: Euclid[19]
  • Floruit: 250 BC[20], 300 BC[21]
  • Described by source: Jewish Encyclopedia of Brockhaus and Efron[22], Small Brockhaus and Efron Encyclopedic Dictionary[23], Brockhaus and Efron Encyclopedic Dictionary[24], Riemann's Music Dictionary[25], Encyclopædia Britannica 11th edition[26], 1870 Dictionary of Greek and Roman Biography and Mythology[27], Russian translation of Lübker's Antiquity Lexicon[28], BEIC Digital Library[29], Dictionary of African Biography[30], The Nuttall Encyclopædia[31], Meyers Konversations-Lexikon, 4th edition (1885–1890)[32], Encyclopædia Britannica Ninth Edition[33]

Body

Works and Contributions

Things named for Euclid include Euclidean distance[34], Euclidean geometry[35], Euclidean algorithm[36], Euclidean space[37], non-Euclidean geometry[38], Euclidean division[39], his theorem[40], and parallel postulate[41].

Why It Matters

Euclid has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[42] He is known by 35 alternative names across languages and contexts.[43]

He has been cited as an influence by Bertrand Russell[44], a mathematician[45], 1872–1970[46], of United Kingdom[47], awarded the Nobel Prize in Literature[48], specialised in set theory[49]; Giuseppe Peano[50], a mathematician[51], 1858–1932[52], of Kingdom of Italy[53], awarded the Knight of the Order of the Crown of Italy‎[54], specialised in interlinguistics[55]; and Christopher Clavius[56], a mathematician[57], 1538–1612[58], of Germany[59], specialised in mathematics[60].

He is credited with the discovery of mathematical induction[61], a proof technique[62]; his theorem[63], a theorem[64]; and his first theorem[65], a theorem[66]. Works attributed to him include Elements[67], a written work[68], founded in -0300[69]; Euclid's Optics[70], a written work[71]; Papyrus Oxyrhynchus 29[72]; and Data[73]. Entities named for him include Euclidean distance[34], Euclidean geometry[35], Euclidean algorithm[36], Euclidean space[37], non-Euclidean geometry[38], and Euclidean division[39].

FAQs

Where did Euclid die?

Euclid died in Alexandria[3].

What did Euclid do for work?

Euclid worked as a mathematician[4] and writer[5].

Who did Euclid influence?

Euclid has been cited as an influence by Bertrand Russell[44], Giuseppe Peano[50], and Christopher Clavius[56].

What did Euclid discover?

Euclid is credited as discoverer of mathematical induction[61], Euclid's theorem[63], and Euclid's first theorem[65].

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [14] ↑ . Dictionary of African Biography. Retrieved . wikidata.org.
  3. [8] ↑ . wikidata.org.
  4. [9] ↑ . wikidata.org.
  5. [10] ↑ . wikidata.org.
  6. [4] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  7. [5] ↑ . Mirabile: Digital Archives for Medieval Culture. wikidata.org.
  8. [15] ↑ . wikidata.org.
  9. [16] ↑ . wikidata.org.
  10. [1] ↑ . Dictionnaire des philosophes antiques III. wikidata.org.
  11. [7] ↑ . BnF authorities. Retrieved . wikidata.org.
  12. [2] ↑ . BnF authorities. Retrieved . wikidata.org.
  13. [17] ↑ . wikidata.org.
  14. [12] ↑ . books.google.com. books.google.com. Provenance: wikidata.org.
  15. [13] ↑ . wikidata.org.
  16. [11] ↑ . Diokleides 4 (Pauly-Wissowa). Retrieved . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . Dictionnaire des philosophes antiques III. wikidata.org.
  20. [21] ↑ . Oxford Classical Dictionary (4th rev. ed.). Retrieved . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.
  26. [27] ↑ . wikidata.org.
  27. [28] ↑ . wikidata.org.
  28. [29] ↑ . digitale.beic.it. digitale.beic.it. Provenance: wikidata.org.
  29. [30] ↑ . wikidata.org.
  30. [31] ↑ . wikidata.org.
  31. [32] ↑ . wikidata.org.
  32. [33] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [44] ↑ . wikidata.org. → on this site
  2. [50] ↑ . wikidata.org. → on this site
  3. [56] ↑ . wikidata.org. → on this site
  4. [61] ↑ . wikidata.org. → on this site
  5. [63] ↑ . wikidata.org. → on this site
  6. [65] ↑ . wikidata.org. → on this site
  7. [67] ↑ . wikidata.org. → on this site
  8. [70] ↑ . wikidata.org. → on this site
  9. [72] ↑ . wikidata.org. → on this site
  10. [73] ↑ . wikidata.org. → on this site
  11. [34] ↑ . wikidata.org. → on this site
  12. [35] ↑ . wikidata.org. → on this site
  13. [36] ↑ . wikidata.org. → on this site
  14. [37] ↑ . wikidata.org. → on this site
  15. [38] ↑ . wikidata.org. → on this site
  16. [39] ↑ . wikidata.org. → on this site
  17. [40] ↑ . wikidata.org. → on this site
  18. [41] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [45] ↑ . Wikidata. wikidata.org. → on this site
  2. [46] ↑ . Wikidata. wikidata.org. → on this site
  3. [47] ↑ . Wikidata. wikidata.org. → on this site
  4. [48] ↑ . Wikidata. wikidata.org. → on this site
  5. [49] ↑ . Wikidata. wikidata.org. → on this site
  6. [51] ↑ . Wikidata. wikidata.org. → on this site
  7. [52] ↑ . Wikidata. wikidata.org. → on this site
  8. [53] ↑ . Wikidata. wikidata.org. → on this site
  9. [54] ↑ . Wikidata. wikidata.org. → on this site
  10. [55] ↑ . Wikidata. wikidata.org. → on this site
  11. [57] ↑ . Wikidata. wikidata.org. → on this site
  12. [58] ↑ . Wikidata. wikidata.org. → on this site
  13. [59] ↑ . Wikidata. wikidata.org. → on this site
  14. [60] ↑ . Wikidata. wikidata.org. → on this site
  15. [62] ↑ . Wikidata. wikidata.org. → on this site
  16. [64] ↑ . Wikidata. wikidata.org. → on this site
  17. [66] ↑ . Wikidata. wikidata.org. → on this site
  18. [68] ↑ . Wikidata. wikidata.org. → on this site
  19. [69] ↑ . Wikidata. wikidata.org. → on this site
  20. [71] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [6] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [42] ↑ . Wikidata sitelinks. wikidata.org.
  3. [43] ↑ . Wikidata aliases. wikidata.org.

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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. 19d ago · Printstream · 2026-10-06 view diff on Wikidata ↗
    Sitelink count → 203
    Wikipedia languages → ['af', 'als', 'am', 'an', 'ann', 'ar', 'arz', 'as', 'ast', 'av', 'az', 'azb', 'b
    Nlb authority id (belarus) → SEK-ar12636948
    Claims rich → —
    "/* wbeditentity-update-languages-short:0||de */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/57891|batch #57891]]: Import missing aliases from dewiki 1/5"
  2. 6w ago · Dodro · 2026-09-11 view diff on Wikidata ↗
    Library of the university of santiago de compostela authority id → 981013406016507712
    "/* wbsetclaim-create:2||1 */ Library of the university of santiago de compostela authority id: 981013406016507712"
  3. 9w ago · Mahirtwofivesix · 2026-08-19 view diff on Wikidata ↗
    Babelnet id → 00031792n
    Arabic ontology lexical concept id → 151059574
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ added/modified IDs mapped to WordNet 3.1"
  4. 13w ago · Pierrotrgr · 2026-07-24 view diff on Wikidata ↗
    Biblissima authority id → Zichyújfalu
    "/* wbsetclaim-create:2||1 */ Biblissima authority id: Q4433, Import ID Biblissima V3 ([[:toollabs:editgroups/b/OR/a6710164cdc|details]])"
  5. 16w ago · Printstream · 2026-07-05 view diff on Wikidata ↗
    P14608 → 118638955
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  6. 16w ago · Printstream · 2026-07-02 view diff on Wikidata ↗
    P14585 → 46129
    "/* wbcreateclaim-create:1| */ P14585: 46129, #quickstatements; #temporary_batch_1782930557898"
  7. 16w ago · Bargioni · 2026-07-01 view diff on Wikidata ↗
    Parsifal cluster id → 290792
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39443|batch #39443]]: sync P12458"
  8. 17w ago · Epìdosis · 2026-06-27 view diff on Wikidata ↗
    Parsifal cluster id → 290792
    "/* wbcreateclaim-create:1| */ Parsifal cluster id: 2664, [[:toollabs:quickstatements/#/batch/259855|batch #259855]]"
  9. 17w ago · Printstream · 2026-06-26 view diff on Wikidata ↗
    P14536 → 367826
    "/* wbcreateclaim-create:1| */ P14536: 367826, #quickstatements; #temporary_batch_1782462304762"
  10. 18w ago · Yirba · 2026-06-19 view diff on Wikidata ↗
    P14541 → 227Lhl
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37385|batch #37385]]: Encyclopedia of China (Third Edition) ID (2026) (P14541)"
  11. 19w ago · Jindřich Rubeš · 2026-06-11 view diff on Wikidata ↗
    Svkkl authority id → p0104817-Eukleides-asi-280-pr-Kr
    "/* wbcreateclaim-create:1| */ Svkkl authority id: p0104817-Eukleides-asi-280-pr-Kr, [[:toollabs:quickstatements/#/batch/259497|batch #259497]]"
  12. 19w ago · Bargioni · 2026-06-08 view diff on Wikidata ↗
    Cerl thesaurus id → cnp01317148, cnp01234245, cnp01302073 +1
    P14397 → 1542
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/35551|batch #35551]]: add P1810 to P8034"
  13. 23w ago · Epìdosis · 2026-05-10 view diff on Wikidata ↗
    Local thumb → —
    "/* wbsetclaim-create:1||1 */ National library of greece id: 307824, Matched to [[:toollabs:mix-n-match/#/entry/143229394|Ευκλείδης (#143229394)]] in [[:toollabs:mix-n-match/#/catalog/5478|NLG authors]"
  14. 24w ago · Bargioni · 2026-05-07 view diff on Wikidata ↗
    Local thumb → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30469|batch #30469]]: add P1810 to P5739 3/3"
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