For the last several decades, Jonathan, Lord Sumption - former senior judge and medieval historian - has been crafting a monumental, five-volume history of the Hundred Years War, widely considered to be the definitive account of the conflict.

The final volume, titled Triumph and Illusion, has recently been published. It tells the story of the collapse of the English dream of conquest and features such protagonists as Henry VI, Charles VII of France and the extraordinary Joan of Arc.

In this episode of Gone Medieval, Matt Lewis talks to Jonathan Sumption about the events that led to the end of four centuries of the English dynasty's presence in France.

This episode was edited by Joseph Knight and produced by Rob Weinberg.

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