How has the nature and technology of warfare evolved from earliest times to 1500 CE?

Answer 1

http://militaryhistory.about.com/od/timeline/a/timeline-to-1000.htm

http://www.au.af.mil/au/awc/awcgate/gabrmetz/gabr0001.htm

http://en.wikipedia.org/wiki/Military_history

Answer 2

•How has the nature and technology of warfare evolved, from earliest times to 1500 CE?