2 Chronicles 20:3

Then I called for a fast there at the river of Ahava, that we might humble ourselves before our God to seek from Him a direct journey for us, our little ones, and all our possessions.

Now it happened in the fifth year of Jehoiakim the son of Josiah, king of Judah, in the ninth month, that all the people in Jerusalem and all the people who came from the cities of Judah to Jerusalem called for a fast before Yahweh.

And he cried out and said, “In Nineveh by the decree of the king and his nobles: Do not let man, animal, herd, or flock taste a thing. Do not let them eat, and do not let them drink water.