Spanning from the Middle Ages to the twentieth century, this section delves into the complex world of religiously motivated wars, where martyrdom and self-sacrifice dedicated to God played a pivotal role. It offers an extensive collection of printed sources and images that trace the evolution of this phenomenon through the crusades, the Reconquista, and various holy wars. This assortment includes materials from the twelfth to the twentieth century and provides a comprehensive bibliography that examines these events from both sacred and secular viewpoints.