In 480 BC, Athens and Sparta joined forces to repel one of the greatest invasion forces the world had seen. Yet just a few decades later, they faced off against each other – with dire results for the people of Greece. This Long Read written by Adrian Goldsworthy reveals how these great cities, once allies, became deadly foes.

Today's feature originally appeared in the June 2026 issue of HistoryExtra magazine, and has been voiced in partnership with the RNIB. Learn more about your ad choices. Visit podcastchoices.com/adchoices

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