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eventVerified

Diocletian suppresses Egyptian revolt, with received slaughter at Alexandria and a later ‘Pompeian’ caption

In 297–298 Diocletian’s government reconquered a revolted Egypt, including a siege of Alexandria. 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.

Sources: [1][2]

Read the full account

In 297–298 Diocletian’s government reconquered a revolted Egypt, including a siege of Alexandria. Later anecdotes caption a massacre.

Context

Diocletian’s documented role is bounded by other offices and collaborators named in the sources below.

Domitius Domitianus / Aurelius Achilleus revolt. Siege of Alexandria. Later anecdotes of blood. Medium on captions, high on a reconquest war.

Why it matters

Egypt is not 303 Nicomedia. Keep the edict.

Who was responsible

Contribution type and responsibility level for each recorded actor — not sole-author shorthand.

  • Diocletian

    Person

    Direct responsibility

    responsibility level 0.75 · verified

What changed

Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.

Evidence

The sources behind this fact and its verification state.

Verified2 sources on file
  1. 1.Livius — DiocletianLivius.org · High credibility · verified
  2. 2.Cambridge Ancient History — later Roman / Hun chaptersCambridge University Press · High credibility · verified
What the sources establish

Livius and Cambridge independently narrate the Egyptian revolt’s suppression; later slogans are not headcounts.

Established: received 297–298 Egyptian reconquest. Not established: a Factrail-original Alexandrian death total.

Causal path

How this event connects to drivers and indicators in the graph.

  1. ActorDiocletian
  2. contributed toFactDiocletian suppresses Egyptian revolt, with received slaughter at Alexandria and a later ‘Pompeian’ caption
  3. weakensDriverHumanitarian Access
  4. strengthensIndicatorPeople Internally Displaced by Conflict and Violence (IDMC)

Cite this page

Factrail. (2026). Diocletian suppresses Egyptian revolt, with received slaughter at Alexandria and a later ‘Pompeian’ caption. Factrail. https://factrail.ai/facts/di-egypt-revolt-suppression

https://factrail.ai/facts/di-egypt-revolt-suppression

Accessed 16 October 2026.

By the Factrail desk · Method: how we source and score · Last reviewed

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