Complex sentence: Harpagus was a Median general from the 6th century BC credited by Herodotus as having put Cyrus the Great on the throne through his defection to Cyrus II during the battle of Ecbatana.
Split into simpler sentences: Harpagus was a Median general from the 6th century BC credited by Herodotus as having put Cyrus the Great on the throne. He is called the kingmaker for his defection to Cyrus II during the battle of Ecbatana.