Byzantium and Its Army, 284-1081

The Byzantine Empire was almost always ready to fight, and often fought for its life. During much of its history its provinces were military districts called themes, and acclamation by the army, not coronation or inheritance, was what made a man emperor. The army overthrew twenty-odd rulers, and tried to oust many more. It was large and expansive but on the whole it served its purpose well. Over eight centuries, despite losing a surprising number of battles, the army succeeded in preserving...