Marcus Atilius Regulus (consul 227 BC) army of 80,000 Romans and allies was amassed together to smash the Carthaginian army under Hannibal. The historian Polybius records that both he and Servilius died fighting bravely at the Battle of Cannae. However, there was a Marcus Atilius Regulus who was Praetor Urbanus (and later also Peregrinus), but it is thought that this person is actually a textual mis-reading of the name Marcus Aemilius Lepidus. It is unlikely that the aged, former consul would become a Praetor again three years after Cannae. His younger brother Gaius was killed fighting the Gauls at the Battle of Telamon in 225 BC,
Romans in Persia of the dynasties in control of their empires in different historical periods: first were the Medians (Media Atropatene), then Parthians and finally Sassanians. In 64 BC Pompey conquered the remaining Seleucid territories in Syria, extinguishing their state and advancing the Roman eastern frontier to the Euphrates, where Romans met for the first time the territory of the Parthians. Mark Antony, in his quest to avenge the battle of Carrhae defeat, conquered in 33 BC some areas of Atropatene (northern Iran) and Armenia but soon lost it: that was the first time that Romans occupied a Persian territory, even if temporarily.