Gaius Duilius was a Roman general and statesman. As consul in 260 BC, during the First Punic War, he won Rome's first ever victory at sea by defeating the Carthaginians at the Battle of Mylae. He later served as censor in 258, and was appointed dictator to hold elections in 231, but never held another command.

The Temple of Janus at the Forum Holitorium was a Roman temple dedicated to the god Janus, located between the Capitoline Hill and the Tiber River near the Circus Flaminius in the southern Campus Martius. The temple was built during the First Punic War, after the Temple of Janus in the Roman Forum.