Alexander the Great or Alexander III, was born 356 and died 323 B.C.  He was the King of  Macedon.  Alexander in his conquest of the world led his troops through eastern Persia between the years of 330, and 327 BC he then invaded northern India in 326 B.C..  There he came upon his only opposition the Poras Indian King and his army.  Alexander of course defeated him.  Alexander's conquest of the World pretty much ended in India his forces went back to the Persian gulf, and Alexander himself died of a fever a year later, at age 33.  He was considered one of the greatest generals of all time.