Jeremiah 25:11-12

“So this whole land will be a desolate ruin, and these nations will serve the king of Babylon for 70 years. Then it will come to pass, when 70 years are completed, that I will punish the king of Babylon and that nation,” declares ADONAI, “the land of the Chaldeans, for their iniquity, and I will make it ruins forever.