He is Alexander the Great who conquered the world and unified three ancient countries except ancient China. It also played a key role in the great cultural integration at that time. Unfortunately, he died young, otherwise there would be more brilliant achievements. The most likely cause of his death was poisoning. At that time, people paid little attention to environmental sanitation. It is very likely that Alexander was infected with the virus because of drinking unclean river water, and the scar left by years of fighting caused inflammation again because of alcoholism, which is a major reason for his sudden death.

In wartime, Alexander gave full play to his military talents. He led his troops to build their own Macedonian phalanx when fighting the Greek army. By successively attacking the left and right wings, Alexander actually defeated the so-called invincible sacred forces in the world at that time. It was this battle that decided the dominant position of Macedonian Empire over Greek city-states. Within two years, his father was assassinated. At the age of 20, he succeeded to the throne and began his military life in the world. Alexander used his excellent military ability to send troops and soldiers, repelled the enemy's attack with various strategies, went into battle in person, boosted the morale of the soldiers, defeated the Persian army and occupied most of the city-states in Asia Minor.

Later, the king of Persia went out to defeat Macedonia, a so-called small country, and the two armies fought. Originally, the Persian army had a numerical advantage and fought at home. There is no acclimatization, you can wait, and the navy in the surrounding waters is also ready for support. It can be said that it occupies the right place and the right time. But Alexander led the army to the middle of the road, which made the king of Persia very afraid and fled directly without his men. So the whole Persian army was shaken and Alexander won the war again.

Alexander knows how to buy people's hearts. After he captured Egypt, he treated the prisoners generously and showed respect for Egyptian civilization, thus gaining the trust of the Egyptians. Later, although when marching into India, the soldiers had to leave India because they did not adapt to the climate in India, which led to virus infection and plague. But even so, Alexander had built a great empire at that time. However, with Alexander's sudden death and no heir, the great empire he built soon collapsed.