He managed to move the Maedi out and renamed the city Alexandropolis, after himself. After this, he became the general of his father's army.
During the celebrations for Philip's marriage to his final wife, a falling out occurred between Alexander and his father. The bride's uncle toasted the couple, saying that he hoped that a legitimate heir to the throne would result from the marriage. Alexander became enraged shouting "What about me Am I a bastard" and threw a goblet at the uncle. Philip, who was intoxicated, drew his sword and lunged at
Alexander. He lost his balance and fell on the floor. Alexander sneered and publicly insulted his father saying "the man who makes preparations to pass out of Europe into Asia, overturned in passing from one seat to another." (Plutarch, 1952) (Philip had been planning on invading Asia Minor) Both Alexander and his mother were banished.
They later reconciled, but Philip continued to mistrust his father. Philip was murdered during the celebration of his daughter's arranged marriage. It was rumored that Olympias andor Alexander were involved, but many historians believe