c. 40 BCE, September 2
The Treaty of Brundisium is signed in September 40 BC, temporarily ending the Roman civil wars between Octavian and Antony.
The terms of the treaty divided the Roman Republic's territories; assigning to Octavian the West, including Gaul and Italy. Mark Antony retained control of the East and Lepidus continued to govern Africa. To strengthen the new alliance, Mark Antony married Octavian's sister, Octavia.