Question: Gaius Calvisius Sabinus was a consul under the alliance formed on what date?
Sentence (from "Gaius Calvisius Sabinus (consul 39 BC)"): 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.
Relevant evidence: No