FASTING, INSTANCES OF

=>Of Ezra, on account of the idolatrous marriages of the Jews

Ezra 10:6

6. Then Ezra rose up from before the house of God, and went into the chamber of Johanan the son of Eliashib: and when he came thither, he did eat no bread, nor drink water: for he mourned because of the transgression of them that had been carried away.