2022 marks the 530th anniversary of 1492 - the year in which Ferdinand of Aragon and Isabella of Castille ended centuries of Muslim rule in Spain, expelled the country's Jews, and signed a contract with one Christopher Columbus who set set sail to find the Indies - and the rest is history.

In this edition of Not Just the Tudors, Professor Suzannah Lipscomb talks to Isabella's biographer Giles Tremlett about her and Ferdinand's pursuit of piety, purity and power and their role in the momentous events of 1492.

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