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Xer·xes I(zûrk′sēz) Known as "Xerxes the Great." 519?-465 bc.
King of Persia (486-465) who organized a vast army that defeated the Greeks at Thermopylae and sacked 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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biography) ?519–465 bc, king of Persia (485–465), who led a vast army against Greece. His forces were victorious at Thermopylae but his fleet was defeated at Salamis (480) and his army at Plataea (479)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Xerx•es I(ˌzɜrk siz)
519?–465 B.C., king of Persia 486?–465 (son of Darius I).
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.