Year 270 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Clepsina and Blasio (or, less frequently, year 484 Ab urbe condita). The denomination 270 BC for this year has been used since the early medieval period, when the Anno Dominicalendar era became the prevalent method in Europe for naming years.
Carthage, already in control of Sardinia, southern Spain and Numidia, is ruled by an oligarchy of merchants under two Suffetes or chief magistrates. While Carthage's military commanders are strong, the state relies on mercenaries (including Spanish ones) for its soldiers.
Hamilcar Barca, founder of Barcid Spain and leading Carthaginian general who will fight against Rome in Sicily and Italy, against the Libyans and the mercenary revolt in Africa, and against the Iberians and Celti-Iberians in Spain (d. 228 BC)