The only 2 individual battles were between, Mark Antony and Octavian, and Brutus and Cassius at the Battle of Philippi.
With up to 200,000 soldiers, the Battle of Philippi was one of the largest Roman civil wars, consisting of two skirmishes on the plains west of the ancient city of Philippi. The first he occurred in the first week of October. Brutus confronted Octavian while Antony's army fought Cassius' army.
Battle of Philippi (October 3 and 23, 42 BC). In 300 BC, Philippi witnessed the final extermination of those who supported the old Roman republic, the culmination of the wars that followed the assassination of Julius Caesar in 44 BC.
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