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Square Root Day

unofficial holiday
Event anniversary Q2672046
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Square Root Day

Summary

Square Root Day is an anniversary[1]. It draws 20 Wikipedia views per month (anniversary category, ranking #25 of 46).[2]

Key Facts

  • Square Root Day's instance of is recorded as anniversary[3].
  • Square Root Day's commemorates is recorded as square root[4].
  • +1981-09-09T00:00:00Z marks the founding of Square Root Day[5].
  • Square Root Day's point in time is recorded as +1981-09-09T00:00:00Z[6].
  • Square Root Day's point in time is recorded as +2001-01-01T00:00:00Z[7].
  • Square Root Day's point in time is recorded as +2004-02-02T00:00:00Z[8].
  • Square Root Day's point in time is recorded as +2009-03-03T00:00:00Z[9].
  • Square Root Day's point in time is recorded as +2016-04-04T00:00:00Z[10].
  • Square Root Day's point in time is recorded as +2025-05-05T00:00:00Z[11].
  • Square Root Day's point in time is recorded as +2036-06-06T00:00:00Z[12].
  • Square Root Day's point in time is recorded as +2049-07-07T00:00:00Z[13].
  • Square Root Day's point in time is recorded as +2064-08-08T00:00:00Z[14].
  • Square Root Day's point in time is recorded as +2081-09-09T00:00:00Z[15].
  • Square Root Day's point in time is recorded as +2101-01-01T00:00:00Z[16].
  • Square Root Day's Freebase ID is recorded as /m/03w3t_[17].

Why It Matters

Square Root Day draws 20 Wikipedia views per month (anniversary category, ranking #25 of 46).[2] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[18]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . Freebase Data Dumps. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] ↑ . Wikidata sitelinks. 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). Square Root Day. Retrieved May 3, 2026, from https://4ort.xyz/entity/square-root-day
MLA “Square Root Day.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/square-root-day.
BibTeX @misc{4ortxyz_square-root-day_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Square Root Day}}, year = {2026}, url = {https://4ort.xyz/entity/square-root-day}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Square Root Day — https://4ort.xyz/entity/square-root-day (retrieved 2026-05-03)

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