Defence in depth in order to retreat successfully, and they assume that the defender's morale will recover from the retreat. A possible early example of this came at the Battle of Cannae in 216 BC, when Hannibal employed this manoeuvre in order to encircle and destroy eight Roman legions, but that is disputed by some historians. Edward Luttwak used the term to describe his theory of the defensive strategy employed by the Late Roman army in the 3rd and 4th centuries AD. Later examples of defence in depth might be European hill forts and the development of concentric castles. In those examples, the
Hercules in ancient Rome mythic Italic shepherd called "Recaranus" or "Garanus", famous for his strength. This hero dedicated the Ara Maxima which became associated with the earliest Roman cult of Hercules. Hercules in ancient Rome In ancient Roman religion and myth, Hercules was venerated as a divinized hero and incorporated into the legends of Rome's founding. The Romans adapted Greek myths and the iconography of Heracles into their own literature and art, but the hero developed distinctly Roman characteristics. Some Greek sources as early as the 6th and 5th century BC gave Heracles Roman connections during his famous labors. Dionysius of Halicarnassus places Hercules