Answer
The Battle of Philippi was a decisive battle fought in 42 BC between the Second Triumvirate and the Republican army of Brutus and Cassius. The battle took place near Philippi, a city in Macedonia, and resulted in the defeat and death of Brutus and Cassius. The victory at Philippi consolidated the power of the Second Triumvirate and paved the way for Octavian to become the first Roman emperor.