<human>:  Who was Alexander the Great?
<bot>: Alexander the Great was born in 356 BC and died in 323 BC. He was a king of the Greek kingdom of Macedon. He conquered much of the known world in his 30-year military campaign, including parts of modern day Afghanistan, Pakistan, Iran, Iraq, Syria, Lebanon, Turkey, Israel, Jordan, Egypt, and North Africa. He is considered by many to be the most successful military commander in history.