Xerxes I was a Persian ruler who reigned as the fourth King of Kings of the Achaemenid Empire, reigning from 486 BC until his assassination in 465 BC. He was the son of Darius the Great and Atossa. 519 BC – 465 BC; died at about 54. Alive at the same time as Confucius, The Buddha, Sophocles, Pythagoras, and Sun Tzu. Wiki link