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Printed Dio and standard accounts record the Parthian war of Verus under Marcus’s co-rule as loot and plague return

Dio-based standard accounts record Lucius Verus’s Parthian campaign, triumph, and the return that later writers link to plague, all under the joint principate. In the causal graph this event strengthens Institutional Corruption, a driver that strengthens Political corruption index — a worsening welfare path.

Sources: [1][2]

Read the full account

Dio-based standard accounts record Lucius Verus’s Parthian campaign, triumph, and the return that later writers link to plague, all under the joint principate. The dated carrier is the modern Dio. Marcus is co-emperor, not the sole field commander.

Context

Shared rule is why contribution is complex.

Marcus Aurelius is not the sole author of every later object, law, or museum label that uses the name. Shared work with courts, excavators, printers, spouses, officials, and later states does not erase a documented role, and it does not make an ancient person the signer of a twentieth-century statute.

Why it matters

A triumph is not a health policy.

A triumph is not a health policy.

Who was responsible

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

  • Marcus Aurelius

    Person

    Direct responsibility

    responsibility level 0.28 · verified

    Dated act under Marcus as emperor or as later printed subject. Scribes, heirs, editors, and museums share labour.

What changed

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

    1. FactPrinted Dio and standard accounts record the Parthian war of Verus under Marcus’s co-rule as loot and plague return
    2. strengthensDriverInstitutional Corruption
    3. strengthensIndicators (3)Political corruption index
    Worsening path

    impact weight 0.35 · Effect from 1 December 1927 · verified

    A triumph is not a health policy.

Evidence

The sources behind this fact and its verification state.

Verified2 sources on file
  1. 1.Britannica — Marcus AureliusEncyclopaedia Britannica · High credibility · verified
  2. 2.LacusCurtius — Cassius DioUniversity of Chicago / LacusCurtius · High credibility · verified
What the sources establish

Later competitions, monuments, translations, UNESCO listings, and museums are not converted into extra lifetime acts. That reading is an impact-path choice, not a property stored on the Fact itself. Confidence is stated on the impact path. A later English edition is not a recovered autograph. If a number is not in the two records named above, it is not supplied here.

Causal path

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

  1. ActorMarcus Aurelius
  2. contributed toFactPrinted Dio and standard accounts record the Parthian war of Verus under Marcus’s co-rule as loot and plague return
  3. strengthensDriverInstitutional Corruption
  4. strengthensIndicatorPolitical corruption index

Cite this page

Factrail. (2026). Printed Dio and standard accounts record the Parthian war of Verus under Marcus’s co-rule as loot and plague return. Factrail. https://factrail.ai/facts/ma-verus-parthian-loot

https://factrail.ai/facts/ma-verus-parthian-loot

Accessed 16 October 2026.

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

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