The speech survived; the verdict did notSourced
We can read Cicero's courtroom defence, but not its certain outcome.
In 54 BCE, Cicero defended Gnaeus Plancius in Rome. His speech Pro Plancio survives, yet historians cannot say for certain whether Plancius was convicted or acquitted.
A famous argument can outlive the answer.
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Pro Plancio · Wikimedia contributors
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Reviewed: 2026-10-02