Xerxes I was the fourth king of the Persian Achaemenid Empire, reigning from 486 BC to 465 BC. He is also known by various other names such as Khshayarsha, Ahasuerus, and Xerxes the Great. These synonyms have been derived from different languages and cultures, highlighting the historical and cultural significance of this powerful ruler. Khshayarsha is the Persian version of his name, while Ahasuerus is the Hebrew name used in the Bible. Xerxes the Great is an English term that reflects his significant military conquests and empire-building during his reign. Regardless of the name used, Xerxes I remains an important historical figure, known for his ambitious expansionist policies and grand architecture projects.