#OTD in 1520, Pope Leo X threatened Martin Luther with excommunication in 'Exsurge Domine'.
The 2017 Wolfson shortlist book 'Martin Luther: Renegade and Prophet' by Lyndal Roper examines the life and legacy of the founding father of the Protestant Reformation.
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When Martin Luther nailed a sheet of paper to the church door of a small university town on 31 October 1517, he set off a process that changed the Western world for ever.