The day Octavian became Augustus and Rome got an emperor
On this day · 16 January 27
On a single January day in 27 BC, a careful piece of political theatre quietly turned a republic into an empire.
On 16 January 27 BC, by decree of the Roman Senate, Octavian became the first Roman emperor. Just days earlier he had staged a show of handing his powers back to the Senate, only to have them returned to him with a new, carefully chosen honour.
The Senate awarded him the title Augustus — roughly “the revered one,” from the Latin augere, “to increase.” It was a name heavy with religious rather than openly political weight, hinting that this man now stood somewhere above ordinary citizens.
He ruled not as a king, but as princeps — the first citizen of Rome.
This sleight of hand let Augustus keep the look of the old Republic while holding its real levers of power. Historians treat the moment as the hinge between two ages: the end of the Roman Republic and the beginning of the Roman Empire, an order that would endure in the West for roughly five centuries and shape law, language and politics far beyond it.
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