Marc Antony was a Roman politician and general who lived from 83 BC to 30 BC. He is best known for his alliance with Julius Caesar and his role in the transformation of the Roman Republic into the Roman Empire. After Caesar's assassination in 44 BC, Antony formed a political alliance with Octavian, Caesar's adopted heir, and Marcus Lepidus, known as the Second Triumvirate. Antony is also famous for his romantic relationship with Cleopatra, the Queen of Egypt. Their alliance was both political and personal, as they sought to consolidate power against Octavian. Ultimately, their forces were defeated at the Battle of Actium in 31 BC, leading to Antony's downfall and the rise of Octavian as the first Roman Emperor, Augustus.