We live in troubling times and with people comparing the Age of Trump with some of the most disturbing periods in history, an understanding of the past has never been more relevant. In this closing festival talk, Dan Snow brought his deep passion for the subject and wide-ranging knowledge together in a polemic on the importance of history and why we should all study the extraordinary story of our past. Recorded at Chalke Valley History Festival 2017. www.cvhf.org.uk