Esther 1:3-4 NIV

3 and in the third year of his reign he gave a banquet1 for all his nobles and officials. The military leaders of Persia and Media, the princes, and the nobles of the provinces were present.

References for Esther 1:3

4 For a full 180 days he displayed the vast wealth of his kingdom and the splendor and glory of his majesty.