490 BC. On the plains of Marathon, Athens faced down a mighty army of the Persian Empire - the superpower of the time It was an underdog clash that would echo throughout history. But how did it all begin?

In this episode of The Ancients, Tristan Hughes kicks off an epic two-parter on the Persian Wars with experts Dr Roel Konijnendijk and Professor Lloyd Llewellyn-Jones. From the rise of the Persian Empire to the Ionian Revolt and the showdown at Marathon, uncover how this legendary clash became a turning point Greece, Persia and the wider ancient world.

Presented by Tristan Hughes. Audio editor is Aidan Lonergan, the producer is Joseph Knight. The senior producer is Anne-Marie Luff.

All music courtesy of Epidemic Sounds.

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