Roman Empire, political system established by Rome that lasted for nearly five centuries. Historians usually date the beginning of the Roman Empire from 27 bc when the Roman Senate gave Gaius Octavius the name Augustus and he became the undisputed emperor after years of bitter civil war. At its peak the empire included lands throughout the Mediterranean world. Rome had first expanded into other parts of Italy and neighboring territories during the Roman Republic (509-27 bc), …
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showed last 75 words of 1131 total
…planned to transform the Roman state, but his few years in power were insufficient. His followers included his longtime military deputy, Mark Antony, and his great-nephew (and adopted son), Octavian. They first defeated Brutus and Cassius at Philippi, a city of ancient Macedonia, in 42 bc before turning on each other. By 30 bc Octavian was the unchallenged successor to Caesar and the master of Rome. Three years later the Senate proclaimed him Augustus, the supreme ruler.