This interview with Prof. Niall Ferguson focuses on the character of the British Empire – which was in decline as World War I drew closer – and compares its experience with the position of the United States in the post-Cold War and post-9/11 eras.

In this interview, Ferguson discusses whether World War I was a mistake.

This presentation, hosted by the Council on Foreign Relations, centers on German Chancellor Otto von Bismarck; Prof. Jonathan Steinberg, the speaker, is the author of a biography of Bismarck.

This time-lapse video shows the changing front lines in Europe during World War I.