You might say that there are no generations of war, war is just a war, that there are two or more countries that fought with each other used their weaponry against enemy and bla bla. But yes, there are generations of warfare. In 1989 US military has created the term Generation Warfare. There are actually four generations of warfare.

FIRST GENERATION WARFARE:
This generation includes the use of conventional weapons like Rifles. “First generation warfare” refers to battles fought with massed manpower, using line and column tactics with uniformed soldiers governed by the state. Read more…

It is said that Afghanistan is the “Graveyard of Empires”. You might not believe it because it makes no sense that how the country which has no Institutions, no regular Army, no Economy has defeated the largest Empires of their times. The common man in Afghanistan is living a life of Stone Age in 21st century. Read more…