We don't know at this moment in time, as there are many suspects
I deleted the previous answer 'William Wallace' because it was wrong. NO-ONE killed Alexander III. He fell from his horse near Kinghorn in Fife in 1286 while riding to see his Queen.
Pausanias did the deed, but there is speculation on whether it was initiated by another party - Alexander and his mother Olympias get a meention.
Philip II ruined his relationship with his son, Alexander the Great, by rejecting Alexander's mother who was a Greek from Epirus and marrying another woman who was a Greek from Macedonia. Alexander, and especially his mother, felt that Alexander would no longer be in line to inherit the throne should Philip II die with an heir that was a full Macedonian Greek. There have been speculations that Alexander had killed his father but in light of this reason, it has been proposed that it was Alexander's mother that may have arraigned to assassinate Philip, not Alexander.
Alexander the Great became king when his father, Philippo II King of Macedonia, was killed by his guard's captain, a man called Pausanias. Alexander was 18 when it happened.
No. Vice-President Aaron Burr killed Alexander Hamilton in a duel.
Alexander the great's dad Philip was assassinated
he was assassinated
no one
he was killed by his own army
epilepsy
He had him killed.
The guitarist Alexander Young (George Alexander) was killed.
3rd Vice President Aaron Burr killed 1st Treasury Secretary Alexander Hamilton in a duel.
Aaron Burr, in his famous duel with Alexander Hamilton in 1804.
Alexander Hamilton (killed by Aaron Burr)
sir Alexander died in his house of a sudden heart attack