Midrash for Daniel 11:2

Rabbi Jonathan said: The last of the kings of Media was Artaxerxes, king of Babylon, and he reigned thirty-two years, as it is said, "But in all this time I was not in Jerusalem; for in the two and thirtieth year of Artaxerxes, king of Babylon, I went unto the king" (Neh. 13:6).

Rabbi Tachanah said: Come and see how wealthy Ahasuerus was, for he was wealthier than all the kings of Media and Persia, and concerning him the Scripture saith, "And the fourth shall be far richer than they all" (Dan. 11:2). What was the wealth of Ahasuerus? He erected couches of gold and silver in the streets of the city, to show all the peoples how rich he was, as it is said, "The couches were of gold and silver" (Esth. 1:6). All the vessels used by Ahasuerus were not vessels of silver, but vessels of gold. He brought the vessels of the Temple, and all the vessels of his palace were changed in appearance, so that they became like lead, as it is said, "The vessels being diverse one from another" (Esth. 1:7).