1 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
Chapter 12
21And Rehoboam cometh to Jerusalem, and assembleth all the house of Judah and the tribe of Benjamin, a hundred and eighty thousand chosen warriors, to fight with the house of Israel, to bring back the kingdom to Rehoboam son of Solomon.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.