The empire of Alexander the Great begins once his father (Philip II of Macedonia) dies in 336 BC, during the beginning of his government, he managed to impose himself on the peoples governed by Macedonia, who once his father died, wanted to rebel. After reconquering cities such as Athens, Thebes and Thessaly, who ended up recognizing their hegemony.
After this Macedonia ended up becoming a firm military state that indirectly controlled Greece by the aforementioned Corinthian league. After this, Alexander adopted the name of Hegemon, thus placing himself as the ruler of the entire territory of Greece.
After the reconquest of all these territories, Alexander focused on the conquest of the Persian empire, he started his way to Asia Minor. One of his first battles was the one he had against the Satraps in the so-called Battle of the Granic.
His military power was based on a military strategy called "phalanx" where a combination of cavalry and infantry was used, with which he could access fortified cities in order to dominate them. This military strategy had already been set by Philip.
Once he conquers Asia Minor, he heads towards Syria, then dominates Palestine and Egypt, this is where “Alexandria” was established, then he heads east, where he overwhelmingly defeats the Persians and where he was crowned as the king of Persia.
When he was preparing to conquer India, his soldiers, exhausted by the intense battles, asked him to return.
Alexander the Great led this empire, which ranged from the shores of the Mediterranean to India.
When Alexander the Great dies around 323 BC in the city of Babylon, a long battle arises between his generals for his succession. This the only thing that brought was the rupture of the empire in the kingdoms of Macedonia.