Alexander was born in 356 B.C. at Pella in Macedonia, born to king Phillip II. At a very young age Alexander had been trained immediately learning how to fight and also learn many things like reading and math. His very first tutor was Leonidas who taught Alexander math and military skills. Skills also include archery and horsemanship. All these lessons were to help Alexander more physically tough.
Alexander became King after his father was assassinated in October 336 BCE. Alexander was originally celebrating at his daughter marriage Cleopatra. He was assassinated by one of his bodyguards at the theater of Agae. Alexander Than becomes king right after and is only 20 at the time of becoming king.
Alexander was able to subdues the rebellion in Greek City-States in 355 BC. After his father death there were a rise of rebellion from the Thracian and illyrians. Alexander quickly besieges the city and razes it to the ground. Any survivors after the attack were either sold to slavery or executed. Doing this showed that Alexander was just as powerful as his father to all the other city-states
Alexander than in 526 BC conquering eastern Iraq and capture prince Oxygenates and married his daughter. Oxygenates daughter was named Roxane. This is seen as a political alliance between the two kingdoms. Then a while later Alexander had a son with Roxane.
Then on June 10, 323 B.C.E Alexander dies of a sudden fever. Before he died he gave his empire to his strongest commanders. This than have the best result though, because after his empire had fell into disorder. His 3 commanders divided up in to three empire and competed for control.