- Alexander the Great was an ancient Macedonian ruler and one of history's greatest military minds. - He was the King of Macedonia and Persia - In 327 B.C., Alexander marched on Punjab, India. - Alexander wanted to press on and attempt to conquer all of India, but his soldiers refused, and his officers convinced him to return to Persia. - At that time, Ghanananda was the ruler of Magadh empire.