2 Chronicles 21:8 in the World English Bible
In his days Edom revolted from under the hand of Judah, and made a king over themselves.
Context
7 Howbeit the LORD would not destroy the house of David, because of the covenant that he had made with David, and as he promised to give a light to him and to his sons for ever.
8 In his days the Edomites revolted from under the dominion of Judah, and made themselves a king.
9 Then Jehoram went forth with his princes, and all his chariots with him: and he rose up by night, and smote the Edomites which compassed him in, and the captains of the chariots.