He was the first person to unite the whole of Greece(except Sparta and Crete) against the Persians
He was never defeated in battle and always fought in front line. There were many times when he risked dying because of his recklessness in battle.
He was the first person who ever conceived the idea of a globalized world. He wanted to create a multinational Hellenistic empire and not just conquer and Hellenize
He was the first person to understand that his image was very important, and did anything in his hand to promote himself as God, great King , and a fearsome warrior. He achieved that by hiring a personal autobiographer , a painter , and a sculptor
He crossed along with his army the desert called Gedrosia. Many died there because of the desert conditions. He survived this denying to have any comforts.He actually spilled a whole helmet full of water in front of the whole army to show an example .
