The History of Rome - 052- Caesar Augustus
The Senate bestowed upon Octavian the title Caesar Augustus during the constitutional settlement of 27 BC. Four years later Augustus and the Senate altered their power sharing agreement.

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In 43 BC Marc Antony, Octavian and Marcus Lepidus formed the Second Triumvirate. After initiating proscriptions to raise funds and purge their enemies, the Triumvirs headed east, where they defeated Brutus and Cassius at Philippi.