Book of the Twelve 35:5

וַֽיַּאֲמִ֛ינוּ אַנְשֵׁ֥י נִֽינְוֵ֖ה בֵּֽאלֹהִ֑ים וַיִּקְרְאוּ־צוֹם֙ וַיִּלְבְּשׁ֣וּ שַׂקִּ֔ים מִגְּדוֹלָ֖ם וְעַד־קְטַנָּֽם׃

So the people of Nineve believed God, and proclaimed a fast, and put on sackcloth, from the greatest of them even to the least of them.