# The Treaty of Brundisium partitions the Roman world between Antony and Octavian

Date: 40 BC

## The fact

In autumn 40 BCE the Treaty of Brundisium partitioned spheres between [Antony](/people/mark-antony) and Octavian after Perusia. The dated diplomatic instrument is not Actium and not the Donations of Alexandria. Mark Antony’s documented role is: He met Octavian at Brundisium and agreed a partition after the Perusine War. Octavia’s marriage sealed it; soldiers demanded peace; he did not uniquely author the terms. Later editors, printers, and excavators remain named where they appear. Mark Antony's documented role is: He met Octavian at Brundisium and agreed a partition after the Perusine War. Octavia’s marriage sealed it; soldiers demanded peace; he did not uniquely author the terms.

## Context

Soldiers’ refusal to fight, Octavia as a later seal, and Lepidus as a reduced third share the file. A pause is not unique perpetual peace. Named others on the file: Octavian, unnamed soldiers demanding peace, and later Octavia as seal share the settlement. The public setting is the file around -0040-10-01. Unnamed clerks, soldiers, printers, or later editors may appear without becoming this instrument. The instrument stays The Treaty of Brundisium partitions the Roman world between Antony and Octavian. The setting of The Treaty of Brundisium partitions the Roman world between Antony and Octavian is the public file around -0040-10-01. Shared offices, unnamed crews, printers, or later editors may appear without becoming this instrument. Driver [social-cohesion](/drivers/social-cohesion) is attached because the significance names a mechanism from this act, not because a standing list needed coverage.

Confidence is stated on the impact path, not hidden in adjectives. Mixed effects of The Treaty of Brundisium partitions the Roman world between Antony and Octavian are separate paths.

## Evidence and sources

Britannica and [Plutarch](/people/plutarch) independently date the Brundisium partition of 40. Official: Britannica — Mark Antony, Treaty of Brundisium (https://www.britannica.com/biography/Mark-Antony-Roman-triumvir; Encyclopaedia Britannica). Independent: Perseus — Plutarch, Antony, Brundisium (https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:2008.01.0007; 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, Treaty of Brundisium (https://www.britannica.com/biography/Mark-Antony-Roman-triumvir; Encyclopaedia Britannica). Independent carrier: Perseus — Plutarch, Antony, Brundisium (https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:2008.01.0007; Perseus Digital Library).

Official or archival record: Britannica — Mark Antony, Treaty of Brundisium (https://www.britannica.com/biography/Mark-Antony-Roman-triumvir; Encyclopaedia Britannica).

## Significance

Improving social-cohesion path: a dated civil-war pause by partition. Complex shared treaty. Welfare reading improving. The attached mechanism is A dated 40 BCE settlement paused a further Italian civil war as a cohesion 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.

The attached driver is social-cohesion. The welfare reading used in this dossier is improving. That reading is an impact-path choice, not a property stored on the Fact itself.

## What is established and what is not

Established: 40 Treaty of Brundisium. Not established: that it uniquely prevented Actium. Established: a sourced public record of The Treaty of Brundisium partitions the Roman world between Antony and Octavian under -0040-10-01. Established: a sourced public record of The Treaty of Brundisium partitions the Roman world between Antony and Octavian under -0040-10-01.

Shared responsibility is part of The Treaty of Brundisium partitions the Roman world between Antony and Octavian. Naming Mark Antony does not delete co-authors, institutions, or later transmitters. The lag from -0040-10-01 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.

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.

## People

- Mark Antony: https://factrail.ai/people/mark-antony

## Drivers

- Social Cohesion: https://factrail.ai/drivers/social-cohesion

## Sources

- https://www.britannica.com/biography/Mark-Antony-Roman-triumvir
- https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:2008.01.0007

## Methodology

https://factrail.ai/methodology

Canonical: https://factrail.ai/facts/ant-brundisium-40