Dan explains Operation Citadel. In July and August of 1943, it was the last major attempt by the Nazis to turn the tide of the war in the East. Millions of soldiers and thousands of tanks would go head-to-head across the vast steppes around the Russian city of Kursk. The Soviets would emerge victorious from the bloody fighting and carry the momentum westwards, eventually reaching Berlin in 1945. So why did the Germans choose to undertake an offensive at Kursk? And how exactly did the Soviets manage to weather the storm?

In this Explainer, Dan delves into the preparations for the battle and the fighting itself, drawing on first-hand accounts to bring us closer to this crucial turning point in the Second World War.

Produced by James Hickmann and edited by Dougal Patmore.

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