


When Constantius died at York in 306, his troops hailed Constantine as the new emperor. When Constantius was made Caesar of the western half, Constantine was left at the court of Diocletian until the resignation of Diocletian and Maximian in 305, leaving Constantius and Galerius as emperors. Constantine was the son of Constantius I Chlorus, a rough soldier of humble origin who rose to become the Caesar to Diocletian's co- emperor Maximian in 286.

Constantine grew up during the Tetrarchy, a system in which the Roman Empire was divided into western and eastern halves, each headed by an emperor (``Augustus'') and a deputy (``Caesar''). An eminent classical historian (Founders of the Western World, 1991, etc.) skillfully records the turbulent life of the first Christian Roman emperor and founder of Constantinople, Constantine the Great (c.
