Overview of Medieval Warfare; Medieval Warfare was the type of warfare that was used during the middle ages. Due to technological, social, and cultural developments, the era was forced to a dramatic change of view on tactics, antiquity, and mindsets. To note, the middle ages lasted from the 5th century to the 15th century. Starting with the fall of the western Roman Empire, and ending with many of the crucial reasons of the feudal system, and the decline of power within the Church.