Pax Romana Begins

The Pax Romana — Roman Peace — conventionally dated from Augustus's accession in 27 BCE to Marcus Aurelius's death in 180 CE, was a period of unprecedented political stability, economic integration, and cultural flourishing across an empire stretching from Britain to Mesopotamia. Augustus closed the Temple of Janus (signaling the end of war) three times during his reign, a ceremony that had occurred only twice in the preceding seven centuries. The empire maintained a standing army of roughly twenty-five legions deployed on distant frontiers, protecting a Mediterranean interior of roughly fifty to sixty million people who could travel, trade, and migrate across a unified legal and linguistic space. Roman roads, aqueducts, law, and the Latin language created an infrastructure of civilization that shaped European and Mediterranean cultures for two millennia. Gibbon famously described this era as the period in human history 'in which the condition of the human race was most happy and prosperous.'

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