2 Chronicles 13:5-7, 17

Ought ye not to know that Jehovah, the God of Israel, gave the kingdom over Israel to David for ever, even to him and to his sons by a covenant of salt? Yet Jeroboam the son of Nebat, the servant of Solomon the son of David, rose up, and rebelled against his lord. And there were gathered unto him worthless men, base fellows, that strengthened themselves against Rehoboam the son of Solomon, when Rehoboam was young and tender-hearted, and could not withstand them.

And Abijah and his people slew them with a great slaughter: so there fell down slain of Israel five hundred thousand chosen men.