In 1939, on the invitation of Franklin D. Roosevelt, King George VI became the first reigning British monarch to set foot on American soil.

So what triggered this monumental moment in the transatlantic relationship? How has it trickled down to today's special relationship? And how was King George assisted in his diplomacy by his wife, Elizabeth?

In this coronation special, Don is joined by author Sally Bedell Smith to find out more.

For more from Sally, you can find her substack here: https://sallybedellsmith.substack.com/

Produced by Sophie Gee and Stuart Beckwith. Editing and sound design by Siobhan Dale. Senior Producer: Charlotte Long.

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