Year 482 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Vibulanus and Iullus (or, less frequently, year 272 Ab urbe condita). The denomination 482 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.
The Athenian archonThemistocles secures the ostracism of his opponents and becomes the political leader of Athens. The Athenian soldier and statesman, Aristides, is one of those ostracised due to his opposition to Themistocles' naval policy.