There exists a problem in defining a "battle", for the line between "battle", "siege", and "campaign" is a blurry, fuzzy one. Indeed, the longer a "battle" goes, the better change is gets called a "siege" or broken up into smaller battles grouped together as a "campaign". In ancient times, a battle generally could not last more than a couple of days - sufficient supplies were not available, and military strategy didn't encompass the idea of long-term combat. Sieges were generally distinct from battles, in that the siege was usually an occupation around a fixed geographic point, often with little actual combat. In modern times, industrialization and technology have led us to "continuous combat" - that is, actual, significant fighting occurring throughout the day and night (though, not at th