![History Extra podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/038/573/small/history-extra-podcast.jpg)
Summary: John Gillingham explains how the murder of Thomas Becket inspired a magnificent fortress; Nicholas Orme leafs through a 16th-century guide to the art of swimming.
Summary: John Gillingham explains how the murder of Thomas Becket inspired a magnificent fortress; Nicholas Orme leafs through a 16th-century guide to the art of swimming.