The nineteenth century was a time of massive growth for Britain. In 1800 it was overwhelmingly rural, agrarian, multilingual, and almost half-Celtic. A century later it was largely urban and English. The effects of the Industrial Revolution caused cities to swell enormously. London, for example, grew from about 1 million people to over 6 million. Abroad, the British Empire was reaching its apex, while at home the world came to marvel at the Great Exhibition of 1851 with its crowning achievement—the Crystal Palace. Historians Christopher Harvie and Colin Matthew present a comprehensive and authoritative guide to the social, economic, and political events that marked the era on which many believed the sun would never set.