Hiroshima. An estimated 100,000 people were killed and 47,000 buildings flattened when an American B-29 bomber, the Enola Gay, dropped an atomic bomb on the Japanese city of Hiroshima on 6 August 1945. Extracts from President Truman's diaries, citizens' eyewitness accounts, and the testimony of Paul Tibbets - the pilot who lead the top-secret operation - combine to tell the story of that fateful day.
Executive producer Richard Bradley The assassination of Archduke Franz Ferdinand is explored in the second of this week's five programmes at the same time tomorrow