Olivette Otele, Professor of History and Vice-President of the Royal Historical Society, answers key questions about the slave trade. From its origins to its abolishment.
Ex-surgeon and Napoleonic era historian Michael Crumplin takes us through the medical challenges and horrors faced in the Napoleonic Wars.
Mark Williams, senior lecturer in Early Modern history at Cardiff University, tackles the big questions about the East India Company.
Orlando Figes talks to Dan about social and technological developments and their links with cultural changes back in the 19th century.