519?-465 ; king of Persia (486-465): son of Darius I: called the Great
See Xerxes I in American Heritage Dictionary 4
King of Persia (486-465) who organized a vast army that defeated the Greeks at Thermopylae and destroyed Athens (480). After the defeat of his navy at Salamis (480) and of his army at Plataea (479), he retreated to Persia, where he was later assassinated.