Xerxes I (; – August 465 BC), commonly known as Xerxes the Great, was the fourth King of Kings of the Achaemenid Empire, ruling from 486 to 465 BC. He was the son and successor of Darius the Great () and his mother was Atossa, a daughter of Cyrus the Great (), the first Achaemenid king. Like his father, he ruled the empire at its territorial apex. He ruled from 486 BC until his assassination in 465 BC at the hands of Artabanus, the commander of the royal bodyguard.