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Secondary sourceArtifactplanned from c. 54 BC, dedicated 26 BC

Saepta Julia

planned from c. 54 BC, dedicated 26 BC

A vast marble voting enclosure on the Campus Martius planned by Julius Caesar and completed by Agrippa after his death.

Caesar conceived this monumental voting enclosure, part of his ambitious building program for Rome's civic life.

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A large curved brick and concrete wall of the Pantheon rotunda on the left, with a row of small windows and arched openings. In front are low, weathered ruins of brick and stone walls, with a stone parapet and a paved street on the right where two people stand.
Remains of the Saepta Julia beside the Pantheon, Rome. Planned under Julius Caesar, completed 26 BC.

About this source

What it is

The Saepta Julia was conceived by Julius Caesar as a monumental, marble-built enclosure for Roman citizens to cast votes, replacing an older structure called the Ovile. It was finished and dedicated in 26 BC by Marcus Vipsanius Agrippa, Augustus's close associate, who also decorated it with artwork. Part of its original wall still stands beside the Pantheon.

Why it matters

Caesar's plan to build a grand, marble voting hall shows his ambition to turn ordinary civic activities, like voting, into monumental events. Though he never saw it finished, the project was carried on by his political heirs, and it later shifted use as voting assemblies lost importance under Augustus and his successors, becoming a space for shows and markets instead.

Look closer

  • Why might Caesar have wanted such an enormous, luxurious building just for casting votes?
  • What does the building's later reuse for gladiator fights and entertainment tell you about changing Roman politics?
  • How does the survival of only a small fragment of wall limit what we can know about the original structure?

This artifact is part of the curated material that grounds the AI version of Julius Caesar on Humy.ai — when students ask about related events, the AI can quote it and cite it.

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Manuscript page of Caesar's Commentarii de Bello Gallico, with a red-ink title line, a large illuminated initial C with gold and blue decoration, black Latin text in columns, a floral border with blue and red flourishes, a library stamp, and a coat of arms at lower right.Book

Primary source

Commentarii de Bello Gallico

Julius Caesar · c. 58-50 BCE (this copy 1469)

Engraving of a standing male figure in Roman armor with a draped cloak over one shoulder, a pleated leather-style skirt with decorative lappets, and sandals, resting on a plinth. His right arm is extended outward, left hand holds a small object. The caption below reads Julius Cesar. Monochrome line hatching on a striped background.Painting

Secondary source

Etched Portrait of Julius Caesar

F. Perrier

Engraved print of the murder of Julius Caesar. On the left, a bearded man with a crown and laurel-like headpiece is stabbed by a man lunging with a dagger; another figure raises a weapon behind. A radiant light and smoke rise above. On the right, an ornate colonnaded interior with a niche holding a statue and an arched doorway. Caption below reads 'Iulius Caesar in stellam' and page number 150.Painting

Secondary source

Murder of Julius Caesar in the Senate

Open book showing a title page on the right: 'C. Julii Caesaris Commentarii de Bello Gallico et Civili, Tomus I, Venetiis 1783', framed by ornate borders with a trophy of arms. On the left, an engraved frontispiece shows a seated Roman figure holding a tablet, with a standard and a city in the background.Book

Primary source

Commentarii de Bello Civili

Julius Caesar · 49-48 BCE

Engraving with a Latin caption reading 'Iulius Caesar Veneris beneficio in Cometam mutatur' (plate 150). A man in a laurel wreath, bare-chested and draped, is embraced by a standing figure and a woman with a star-shaped comet. A winged cupid flies at upper right, and a large cloud fills the background.Painting

Secondary source

The Murder of Julius Caesar

1606

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