Gaius Calvisius Sabinus (consul 39 BC)

Gaius Calvisius Sabinus was a consul of the Roman Republic in 39 BC under the Second Triumvirate. He and his consular colleague Lucius Marcius Censorinus had been the only two senators who tried to defend Julius Caesar when his assassins struck on 15 March 44 BC, and their consulship under the triumvirate is taken as a recognition of their loyalty. An inscription, described by Ronald Syme as "one of the most remarkable inscriptions ever set up in honour of a Roman senator," praises Calvisius for pietas, his sense of duty or devotion. As a military officer, Calvisius is notable for his long service and competence, though he was not without serious defeats.

Gaius Calvisius Sabinus is the only member of the gens Calvisia listed in Broughton's Magistrates of the Roman Republic as holding office during the Republican era. He is one several novi homines ("new men") who achieved not only the consulship but triumphal honors during the 30s BC. He is the first consul whose nomen gentilicium has the non-Latin ending -isius. The ethnic cognomen Sabinus ("Sabine") is found with the nomen Calvisius for the first time in his name, but inscriptions point toward a probable origin in the Latin colony of Spoletium (Spoleto). He belonged to the voting tribe Horatia.

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