'Proclaimed a Fast' in the Bible

They proclaimed a fast and seated Naboth at the head of the people.

Then Jehoshaphat was afraid and set himself [determinedly, as his vital need] to seek the Lord; and he proclaimed a fast throughout all Judah.

Then I proclaimed a fast there at the river Ahava, so that we might humble ourselves before our God to seek from Him a safe journey for us, our children, and all our possessions.

The people of Nineveh believed and trusted in God; and they proclaimed a fast and put on sackcloth [in penitent mourning], from the greatest even to the least of them.