The Ludi Saeculares

A saeculum, in Roman religious reckoning, was the longest possible span of a human life, the length of time until every person alive at a given moment had died, and Roman antiquarian tradition held that the beginning of each new saeculum was marked by prodigies that only priestly experts, consulting the Sibylline Books, could correctly identify and act on. The resulting festival, the Ludi Saeculares or Secular Games, was consequently rare almost by definition, meant to occur only once in what Roman writers reckoned as roughly a hundred years, so that in principle no one alive could expect to see the rite performed twice, a fact Roman sources present as central to its solemnity.

The clearest ancient description of the festival's religious program comes from the Republican and early Imperial periods and centers on a three-day, three-night structure: nights given to chthonic sacrifice at the buried altar of Dis Pater and Proserpina on the Campus Martius, days turning outward to sacrifices and games honoring Jupiter, Juno and other state gods associated with Rome's continued prosperity, so that the festival moved deliberately from confronting mortality and the underworld toward affirming the city's renewed future.

The best documented celebration of the Ludi Saeculares took place in 17 BCE, staged by Augustus at a moment when he had strong political reasons to present his rule as the opening of a renewed, prosperous age for Rome after decades of civil war. Augustus' own commission of quindecimviri, the priestly board responsible for the Sibylline Books, recalculated the timing to justify holding the games then, a piece of religious-calendrical adjustment that ancient and modern historians alike treat as at least partly convenient to Augustus' political program, whatever genuine antiquarian basis it also carried.

The 17 BCE games were commemorated on inscribed stone records, the acta of the Secular Games, that survive in fragments and give modern historians an unusually detailed procedural account of a Roman state religious festival, naming the sacrifices, their order, and the officiants involved. A specially composed hymn was performed by choirs of freeborn boys and girls as part of the celebration, tying the festival's message of renewal directly to the youngest citizens present, the generation Augustus was implicitly promising a secure and prosperous saeculum of their own.