2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
28:6And Pekah the son of Remaliah slew in Judah a hundred and twenty thousand in one day, all valiant men, because they had forsaken Jehovah the God of their fathers.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.