"The dull blast of a horn signalled the end of the fourth watch. The smoldering embers of a thousand campfires, fanned by the cool morning breeze, glowed in the half-light. The night sentries relaxed at their posts waiting to be relieved. Soon soldiers were emerging from their tents yawning and shivering as they kicked over the embers and added wood to cook their breakfast."
Thus begins a typical day in the life of a Roman soldier. But the tedious...