The Locarno Conference of 1925 and the five treaties concluded there have been seen as the turning point of the interwar years, i.e., Germanys acceptance of the 1919 peace settlement and the beginning of a new era of peace. Studying the documentary evidence, much of it available only recently, Jon Jacobson explores the personalities and politics of Locarno and offers a historical interpretation and synthesis of a critical decade in European diplomacy.