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The Pact of Misenum recognises Sextus Pompey in a three-way peace

In 39 BCE the Pact of Misenum brought Sextus Pompey into a recognised share, easing a grain blockade of Italy. The dated three-way peace is not Brundisium 40 and not Actium. In the causal graph this event strengthens Social Cohesion, a driver that strengthens Having a say in government — an improving welfare path.

Read the full account

In 39 BCE the Pact of Misenum brought Sextus Pompey into a recognised share, easing a grain blockade of Italy. The dated three-way peace is not Brundisium 40 and not Actium. Mark Antony’s documented role is: He joined Octavian in a treaty with Sextus Pompeius at Misenum. Grain blockade eased; the peace later broke; he did not uniquely author every clause. A 39 deal with Sextus is a third party. Later editors, printers, and excavators remain named where they appear. Mark Antony's documented role is: He joined Octavian in a treaty with Sextus Pompeius at Misenum.

Context

Sicilian fleets, Italian hunger, and Octavian’s later bad faith already sit in the file. A pause is not unique perpetual grain security. Sharing with Sextus and Octavian is required. Named others on the file: Sextus Pompeius, Octavian, and unnamed grain merchants share the pact. The public setting is the file around -0039-01-01. The instrument stays The Pact of Misenum recognises Sextus Pompey in a three-way peace. The setting of The Pact of Misenum recognises Sextus Pompey in a three-way peace is the public file around -0039-01-01. Driver social-cohesion 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

Complex shared and later broken. Welfare reading improving. The attached mechanism is A dated 39 BCE naval-and-grain settlement paused a Sicilian blockade as a cohesion-and-food instrument. 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 improving.

Shared responsibility is part of The Pact of Misenum recognises Sextus Pompey in a three-way peace. Naming Mark Antony does not delete co-authors, institutions, or later transmitters. The lag from -0039-01-01 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.

  • Direct responsibility

    responsibility level 0.36 · verified

    He joined Octavian in a treaty with Sextus Pompeius at Misenum. Grain blockade eased; the peace later broke; he did not uniquely author every clause.

What changed

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

    1. FactThe Pact of Misenum recognises Sextus Pompey in a three-way peace
    2. strengthensDriverSocial Cohesion
    3. strengthensIndicators (2)Having a say in government
    Improving path

    impact weight 0.35 · Effect from 39 BCE · verified

    A dated 39 BCE naval-and-grain settlement paused a Sicilian blockade as a cohesion-and-food instrument.

    • Strengthens · Relationship strength 0.16 (weight 0.35 × strength 0.45)

      Observed

      29.8% of population aged 16-65 years · 8.13 below the normal line (2023)

      Worse than normal

      Two readings: 30.2% of population aged 16-65 years (2021) and 29.8% of population aged 16-65 years (2023).

      20212023

      Above normal = better

    • Weakens · Relationship strength 0.16 (weight 0.35 × strength 0.45)

      Observed

      43.9 Score · 43.9 above the normal line (2024)

      Worse than normal

      26 readings, 1996–2024: rose from 43 Score to 43.9 Score.

      Normal is zero · any amount = worse

Evidence

The sources behind this fact and its verification state.

Verified2 sources on file
  1. 1.Britannica — Mark AntonyEncyclopaedia Britannica · High credibility · verified
  2. 2.Perseus — Plutarch, AntonyPerseus Digital Library / Tufts · High credibility · verified
What the sources establish

Britannica and Plutarch independently date the Misenum pact as a 39 settlement with Sextus Pompey. Official: Britannica — Mark Antony, Pact of Misenum (https://www.britannica.com/biography/Mark-Antony-Roman-triumvir (opens in a new tab); Encyclopaedia Britannica). Independent: Perseus — Plutarch, Antony, Misenum (https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:2008.01.0007 (opens in a new tab); Perseus Digital Library). 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: Britannica — Mark Antony, Pact of Misenum (https://www.britannica.com/biography/Mark-Antony-Roman-triumvir (opens in a new tab); Encyclopaedia Britannica). Independent carrier: Perseus — Plutarch, Antony, Misenum (https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:2008.01.0007 (opens in a new tab); Perseus Digital Library).

Established: 39 Pact of Misenum. Not established: that it uniquely fed every later year. Established: a sourced public record of The Pact of Misenum recognises Sextus Pompey in a three-way peace under -0039-01-01.

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. A 39 deal with Sextus is a third party. Mixed effects of The Pact of Misenum recognises Sextus Pompey in a three-way peace are separate paths.

Causal path

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

  1. ActorMark Antony
  2. contributed toFactThe Pact of Misenum recognises Sextus Pompey in a three-way peace
  3. strengthensDriverSocial Cohesion
  4. strengthensIndicatorHaving a say in government

Cite this page

Factrail. (2026). The Pact of Misenum recognises Sextus Pompey in a three-way peace. Factrail. https://factrail.ai/facts/ant-misenum-39

https://factrail.ai/facts/ant-misenum-39

Accessed 16 October 2026.

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

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