In our new edition, historians debate whether Britain was right to fight the First World War. Niall Ferguson claims Britain made a terrible mistake in taking up arms in 1914.
Meanwhile, Nigel Pollard tells the story of the Second World War Monuments Men – the subject of a major new Hollywood film.
Elsewhere in the magazine, James Hawes considers a royal murder scandal that shocked Queen Victoria and nearly sparked a war.
The new issue also features Bruce Holsinger, who explores the seedy underworld of London during the Middle Ages.
Meanwhile, Labour leader Ed Miliband nominates his history hero.
Plus, nine historians share some surprising statistics from their fields of expertise.