Constantine fights Licinius at Cibalae, opening an earlier civil war than the 324 Chrysopolis end
Cibalae is the dated first major Constantine–Licinius battle. In the causal graph this event weakens Humanitarian Access, a driver that strengthens People Internally Displaced by Conflict and Violence (IDMC) — an improving welfare path.
Read the full account
Cibalae is the dated first major Constantine–Licinius battle. Constantine’s documented role is: He commanded. Licinius commanded the other line. Year 314 or 316 remains argued; stored year-level as the first colleague-war. Two wars. Later editors, printers, and excavators remain named where they appear. Licinius commanded the other line.
Context
Pannonia. Milan 313 cooperation is already broken. Medium confidence on 314 versus 316. Named others on the file: Licinius as opponent; unnamed field armies. The public setting is the file around 0314-10-08. The instrument stays Constantine fights Licinius at Cibalae, opening an earlier civil war than the 324 Chrysopolis end. The setting of Constantine fights Licinius at Cibalae, opening an earlier civil war than the 324 Chrysopolis end is the public file around 0314-10-08. Driver humanitarian-access is attached because the significance names a mechanism from this act, not because a standing list needed coverage.
That reading is an impact-path choice, not a property stored on the Fact itself.
Why it matters
Civil-war killing. Welfare reading worsening. Lag to any modern indicator is not treated as zero. This path is attached because the mechanism is named from this act, not because a driver list needed coverage. The welfare reading on this path is worsening.
Shared responsibility is part of Constantine fights Licinius at Cibalae, opening an earlier civil war than the 324 Chrysopolis end. Naming Constantine does not delete co-authors, institutions, or later transmitters. The lag from 0314-10-08 to any measured indicator is not treated as zero. Alternative explanations — weather, other armies, later statutes, or independent cultural change — remain live where the sources do not close them.
Who was responsible
Contribution type and responsibility level for each recorded actor — not sole-author shorthand.
Constantine the Great
PersonDirect responsibility
responsibility level 0.44 · verified
He commanded. Licinius commanded the other line. Year 314 or 316 remains argued; stored year-level as the first colleague-war.
What changed
Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.
- FactConstantine fights Licinius at Cibalae, opening an earlier civil war than the 324 Chrysopolis end
- weakensDriverHumanitarian Access
- strengthensIndicatorPeople Internally Displaced by Conflict and Violence (IDMC)
impact weight 0.4 · Effect from 8 October 314 · verified
Strengthens · Relationship strength 0.2 (weight 0.4 × strength 0.5)
Observed
69M people (stock, end-of-year) · 28M above the normal line (2025)
Worse than normal3 readings, 2023–2025: rose from 68M people (stock, end-of-year) to 69M people (stock, end-of-year).
Above normal = worse
Evidence
The sources behind this fact and its verification state.
- 1.Livius — Constantine the GreatLivius.org · High credibility · verified
- 2.Britannica — Constantine IEncyclopaedia Britannica · High credibility · verified
What the sources establish
Livius and Britannica independently record an earlier Licinius war before 324. Official: Livius — Constantine the Great (https://www.livius.org/articles/person/constantine-the-great/ (opens in a new tab); Livius.org). Independent: Britannica — Constantine I (https://www.britannica.com/biography/Constantine-I-Roman-emperor (opens in a new tab); Encyclopaedia Britannica). The two URLs are different pages. Where the carrier is a later edition or a received narrative, that limit is stated rather than upgraded to an autograph. Official carrier: Livius — Constantine the Great (https://www.livius.org/articles/person/constantine-the-great/ (opens in a new tab); Livius.org). Independent carrier: Britannica — Constantine I (https://www.britannica.com/biography/Constantine-I-Roman-emperor (opens in a new tab); Encyclopaedia Britannica).
Year-level; 314/316 debate remains. Established: a sourced public record of Constantine fights Licinius at Cibalae, opening an earlier civil war than the 324 Chrysopolis end under 0314-10-08.
If a number is not in the two records named above, it is not supplied here.
Later competitions, monuments, translations, UNESCO listings, museums, and adaptations are not converted into extra lifetime acts.
Confidence is stated on the impact path, not hidden in adjectives. Two wars. Mixed effects of Constantine fights Licinius at Cibalae, opening an earlier civil war than the 324 Chrysopolis end are separate paths.
Causal path
How this event connects to drivers and indicators in the graph.
- ActorConstantine the Great
- contributed toFactConstantine fights Licinius at Cibalae, opening an earlier civil war than the 324 Chrysopolis end
- weakensDriverHumanitarian Access
- strengthensIndicatorPeople Internally Displaced by Conflict and Violence (IDMC)
Cite this page
Factrail. (2026). Constantine fights Licinius at Cibalae, opening an earlier civil war than the 324 Chrysopolis end. Factrail. https://factrail.ai/facts/co-cibalae-314
https://factrail.ai/facts/co-cibalae-314
Accessed 16 October 2026.
By the Factrail desk · Method: how we source and score · Last reviewed
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