What were some of Xerxes accomplishments?

Xerxes I, the Persian king, is best known for his massive invasion of Greece, which included the famous battles of Thermopylae and Salamis. He oversaw significant construction projects, including the expansion of Persepolis and the completion of the Royal Road, enhancing communication and trade across the empire. Xerxes also implemented administrative reforms to unify and control the vast territories of the Achaemenid Empire. Additionally, he is noted for his efforts to promote Zoroastrianism and maintain the cultural diversity of his realm.