Quintus Calpurnius Piso was a Roman politician in the second century BC.
In 138 BC, whilst serving as praetor, Piso attempted to end a dispute between Sparta and Messenia regarding the possession of the Taygetus mountain range.
[1] In 135 BC, he was elected consul together with Servius Fulvius Flaccus.
[2] He unsuccessfully fought against the Numantines, sacking the city of Pallantia in retribution.
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