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casus belli

('occasion for war') is an act or event that provokes or is used to justify war
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Summary

casus belli is a Latin phrase[1]. It ranks in the top 5% of latin phrase entities by monthly Wikipedia readership (7,720 views/month).[2]

Key Facts

  • Subclass of: international incident[3], cause[4]
  • Said to be the same as: crime of aggression[5]
  • Topic's main category: Category:Causes of war[6]
  • Described by source: Otto's encyclopedia[7], Sytin Military Encyclopedia[8], Encyclopædia Britannica 11th edition[9], Armenian Soviet Encyclopedia, vol. 5[10]
  • Different from: act of aggression[11]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[12]

Why It Matters

casus belli has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[13] It is known by 34 alternative names across languages and contexts.[14]

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] ↑ . icc-cpi.int. icc-cpi.int. Provenance: wikidata.org.
  10. [12] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] ↑ . Wikidata sitelinks. wikidata.org.
  3. [14] ↑ . 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). casus belli. Retrieved October 14, 2026, from https://4ort.xyz/entity/casus-belli
MLA “casus belli.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/casus-belli.
BibTeX @misc{4ortxyz_casus-belli_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{casus belli}}, year = {2026}, url = {https://4ort.xyz/entity/casus-belli}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): casus belli — https://4ort.xyz/entity/casus-belli (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/casus-belli · Last refreshed:

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. 12w ago · Wikimi-dhiann · 2026-07-19 view diff on Wikidata ↗
    Has effect → Q198
    "/* wbsetclaim-create:2||1 */ Has effect: war"
  2. 12w ago · Wikimi-dhiann · 2026-07-19 view diff on Wikidata ↗
    Has cause → Q5160184
    "/* wbsetclaim-create:2||1 */ Has cause: conflict escalation"
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