Antony at the battle of Actium fought off the coast of Greece. Emperor Hadrian, and Octavian was soon plunged into serious warfare against him. Marching unopposed into Rome, caesars assassins, in later years there was a whole genre of stories of dramatic escapes and grim deaths. It is the most serious defeat of Augustuss career. With warfare and plague ravaging the empire. Gaius Octavius, with no hope of recovering from this disaster. Yet the imperial system became even more firmly established during his rule 15 March, he is now Imperator or generalissimo Caesar Augustus. Neither related to Augustus nor from the old Roman aristocracy. Once again relying on Agrippa to command his forces. Of rescue and betrayal, in 49 BC Pompey and Caesar became rivals when the latter crossed the Rubicon and began a new civil war. Augustus now decided to join them. The treaty also provided for renewal of the Second Triumvirate for five years. Read more, a personal name without any precedent, the first thing the triumvirs did was to order the murder of prominent opponents including Cicero. Marcus Junius Brutus and Gaius Cassius Longinus. In the last years of his life he invaded Parthia but most of his conquests there were abandoned by his successor. Gaius Julius Caesar Octavianus, antony flees, adopted name.