The Great and Holy War: How World War I Became a Religious Crusade

The Great and Holy War offers the first look at how religion created and prolonged the First World War. At the one-hundredth anniversary of the outbreak of the war, historian Philip Jenkins reveals the powerful religious dimensions of this modern-day crusade, a period that marked a traumatic crisis for Western civilization, with effects that echoed throughout the rest of the twentieth century.

The war was fought by the world's leading Christian nations, who presented the conflict as a holy w...