August 9, 49 BC
A pivotal battle in 48 BCE where Julius Caesar's 22,000 troops defeated Pompey's larger force of 45,000 soldiers, effectively ending the Roman Civil War and transforming the Roman Republic.
October 3, 43 BC
A decisive battle fought in 42 BCE near Philippi, Macedonia, between the Second Triumvirate forces led by Mark Antony and Octavian against the Liberators led by Brutus and Cassius. The battle resulted in the defeat of Caesar's assassins and marked the end of the Roman Republic.