2 Kings 20:12

Even in the matter of the envoys of the rulers of Babylon, who sent to him to inquire of the miraculous sign that had happened in the land, God left him alone only to test him, that He might know all that was in his heart.

The vision of Isaiah the son of Amoz concerning Judah and Jerusalem, which he beheld in the days of Uzziah, Jotham, Ahaz, and Hezekiah, kings of Judah.

At that time Merodach-baladan son of Baladan, king of Babylon, sent letters and a present to Hezekiah, for he heard that he had been sick and was growing stronger.

The word of Yahweh which came to Hosea the son of Beeri, in the days of Uzziah, Jotham, Ahaz, and Hezekiah, kings of Judah, and in the days of Jeroboam the son of Joash, king of Israel.

Hezekiah Shows Babylon His Treasures