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Artaxerxes I was the fifth King of Kings of the Achaemenid Empire, from August 465 to December 424 BC. He was the third son of Xerxes I.
In Greek sources he is also surnamed "Long-handed" (Ancient Greek: μακρόχειρ Makrókheir; Latin: Longimanus), allegedly because his right hand was longer than his left.
Josephus and several ancient traditions identify him as King Ahasuerus, from the Book of Esther.
General info from Wikipedia.org
