1644

year
Intangible calendar_year Q6920
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1644

Summary

1644 is a calendar year[1]. 1644 draws 52 Wikipedia views per month (calendar_year category, ranking #155 of 522).[2]

Key Facts

  • 1644's instance of is recorded as calendar year[3].
  • 1644's instance of is recorded as leap year starting on Friday and ending on Saturday[4].
  • 1644's follows is recorded as 1643[5].
  • 1644's followed by is recorded as 1645[6].
  • 1644's part of is recorded as 1640s[7].
  • 1644's part of is recorded as Gregorian calendar[8].
  • 1644's Commons category is recorded as 1644[9].
  • 1644's point in time is recorded as +1644-01-01T00:00:00Z[10].
  • 1644's topic's main category is recorded as Category:1644[11].
  • 1644's has list is recorded as list of state leaders in 1644[12].
  • 1644's permanent duplicated item is recorded as Q31802229[13].
  • 1644's OesterreichWiki ID is recorded as 15515[14].
  • 1644's Cathopedia article ID is recorded as 1644[15].
  • 1644's category for births in this time period is recorded as Category:1644 births[16].
  • 1644's category for deaths in this time period is recorded as Category:1644 deaths[17].

Why It Matters

1644 draws 52 Wikipedia views per month (calendar_year category, ranking #155 of 522).[2] 1644 has Wikipedia articles in 30 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] . 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). 1644. Retrieved May 3, 2026, from https://4ort.xyz/entity/1644
MLA “1644.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/1644.
BibTeX @misc{4ortxyz_1644_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1644}}, year = {2026}, url = {https://4ort.xyz/entity/1644}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1644 — https://4ort.xyz/entity/1644 (retrieved 2026-05-03)

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