How historians have shaped military history [excerpt]
A widespread belief persisted, not for centuries but for at least two millennia, that when world history turned, it did so on a few days or hours of intense violence, in major battles waged and won by great captains of special courage and genius. The ascent or toppling of dynasties and empires could be explained by a singular clash of arms so complete that the winner dictated the political and cultural direction taken by the loser.