Traditionally, in the year 312, the Roman emperor Constantine experienced a "vision of the Cross" that led him to convert to Christianity and to defeat his last rival to the imperial throne; and, in 394, a divine wind carried the emperor Theodosius to victory at the battle of the Frigidus River. Other stories heralded the discovery of the True Cross by Constantine's mother, Helena, and the rise of a new kind of miracle-maker in the deserts of Egypt and Syria. These miracle stories helped Christians understand the dizzying changes in their fortunes during the century. They also shed light on Christianity's conflict with other faiths and the darker turn it took in subsequent ages.In A Century of Miracles, historian H. A. Drake explores the role miracle stories played in helping Christians, pagans, and Jews think about themselves and each other. These stories, he concludes, bolstered Christian belief that their god wanted the empire to be Christian. Most importantly, they help explain how