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