Cameron Balbirnie considers the origins of the Vikings and reveals the extent of their travels.
Gavin Mortimer profiles 10 notable characters who in their earlier lives had been Olympic competitors.
George Hull explains how political ideologies influenced German nudism in the 19th and 20th centuries.
Sarah Gristwood introduces seven women who played a crucial role in the Wars of the Roses.
Jerry Brotton examines the legacy of Ptolemy, an ancient geographer who influenced Columbus, and Tim Benbow tells the story of a bold British invasion of Madagascar that anticipated the D-Day landings.