Tom Holland and his guests discuss honour among 18th century street fighters.
Prof Kathy Willis explores the smuggling of rubber seeds from South America.
In July 1944 a group of German officers attempted to assassinate Adolf Hitler.
Gordon Corera travels to Stockholm to investigate the assassination of a prime minister.
Austria-Hungary declares war on Serbia.
Prof Kathy Willis examines the Victorian race to flower the Amazonian water lily.
4/6 Margaret Macmillan tells the story of the events leading up to the First World War.
Reactions to British soldiers shooting unarmed protesters in Dublin.
Peter Hennessy examines Britain's secret war planning and preparations before August 1914.
The British foreign secretary proposes mediation to settle the Balkan crisis.
View all (20)