The battle consisted of two engagements. The first occurred on the first week of October; Brutus faced Octavian, while Antony's forces were up against those of Cassius. At first, Brutus pushed back Octavian and entered his legions' camp. But to the south, Antony defeated Cassius, and Cassius, hearing a false report of Brutus' failure, committed suicide. Both armies retreated to their camps with their spoils, and the battle was essentially a draw, but for Cassius' suicide. A second encounter, on 23 October, finished off Brutus' forces, and he committed suicide in turn, leaving the triumvirate in control of the Roman world.
The Battle of Philippi was the final battle in the Wars of the Second Triumvirate between the forces of Mark Antony and Octavian (the Second Triumvirate) against the forces of Julius Caesar's assassins Marcus Junius Brutus and Gaius Cassius Longinus in 42BC, at Philippi in Macedonia.
On the same day of the first battle of Philippi the Republican fleet, patrolling the Ionian Sea was able to intercept and destroy the triumvirs reinforcements (two legions and other troops and supplies led by Domitius Calvinus).
The Battle of Philippi probably also marked the highest point of Antony's career: at that time he was the most famous Roman general and the senior partner of the Second Triumvirate.
Legio III Augusta was a Roman legion levied by Augustus in 43 BC.
The III Augusta was probably present in the battle of Philippi in 42BC, where Augustus and Mark Antony defeated the army of the senators that conspired to murder Julius Caesar.
From 30 BC onwards, III Augusta was stationed in the province of Africa.