A fascinating reassessment of a turning point in the First World War, revealing its role in shaping the German psyche

On May 7, 1915, the Lusitania, a large British luxury liner, was sunk by a German submarine off the Irish coast. Nearly 1,200 people, including 128 American citizens, lost their lives. The sinking of a civilian passenger vessel without warning was a scandal of international scale and helped precipitate the United States' decision to enter the conflict. It also led to the immediate vilification of Germany. Though the ship's sinking has preoccupied...