The first military goes back as far as the ancient times. Chariots were believed to be used by the military in order to move their soldiers or fighters to different areas. There were two people in the chariot. One would be steering and the other would be firing arrows at the enemy. One of the first military leaders was in Egypt. Ramses II was a Pharaoh in Egypt who commanded the army during the Battle of Kadesh. This took place in 1247 BC.
Also there were military leaders in China due to China having a long history. His name was Qin Shi Huang. The terracotta soldiers is a famous landmark due to its long history and this leader is buried there.