periods: PER_ROM_IMPERIAL

56 historical periods covering all traditions, from the Predynastic Egyptian period (c. 3200 BCE) to the 20th-century occultist reception layer. Used to anchor entity classifications and relationships in time.

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period_id tradition period_name start_year end_year notes
PER_ROM_IMPERIAL Roman Roman Imperial -27 476 Roman Imperial period; Roman mystery cults, Mithraism, Roman-Egyptian synthesis, late antique religion.

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