The Roman Trio is a term used to refer to three of the most influential figures in ancient Roman history: Trebonius, Julius Caesar, and Mark Antony. Trebonius was a Roman politician and general who served as a consul in 43 BC. Julius Caesar was a military leader and statesman who played a critical role in the transformation of the Roman Republic into the Roman Empire. Mark Antony was a Roman general and politician who was an ally of Julius Caesar and later became one of the three rulers of the Roman Empire. Together, these three men formed the Roman Trio, a powerful political force that shaped the course of Roman history.