The American Civil War: The War of the North. Dr Adam Smith travels from Lincoln's home town to Washington DC and the battlefields of Virginia as he asks why the North fought and what it won.

The American Civil War: The War of the South. Dr Adam Smith travels to Richmond, the heart of the Southern Confederacy, to uncover the dramatic contradictions at the South's heart and the war it waged.

Great British Ideas:J.A. Hobson, Lenin and Anti-Imperialism. Historian Tristram Hunt traces how an anti-imperialist book by a liberal English journalist had a surprising impact on Lenin - in exile, and even after he seized power in Moscow.

Great British Ideas: Young England and Young Ireland. Tristram Hunt traces the curious influence of the romantic 'Young England' movement, led by Benjamin Disraeli in the 1840s, on 'Young Ireland', which sought Irish freedom.

Great British Ideas: Robert Malthus. Historian Tristram Hunt traces how the ideas of the 18th century British economist Robert Malthus wreaked havoc in 19th century India, yet were later adopted by Indians themselves.

Sunday Feature: The Other Dickens. Laurence Scott explores the work and the life of Victorian bad boy writer and contemporary of Dickens, George WM Reynolds, whose novels painted Victorian London's seamiest sides

Sunday Feature: Crowd Psychology. From the summer riots last year to the Olympics 2012, geneticist Steve Jones investigates crowd behaviour and finds that modern science disputes myths of mad mobs out of control.

Sunday Feature: Malvinas Madness.

Giles Fraser examines the history, ministry and artistic legacy of Coventry Cathedral as it celebrates its Golden Jubilee.

Sunday Feature: As Arnold Wesker celebrates his 80th birthday Matthew Sweet looks back with the celebrated playwright at his life and career.