2 Chronicles 13:1-3

Abijah’s Reign

13:1 In the eighteenth year of the reign of King Jeroboam, Abijah became king over Judah. 13:2 He ruled for three years in Jerusalem. His mother was Michaiah, the daughter of Uriel from Gibeah.

There was war between Abijah and Jeroboam. 13:3 Abijah launched the attack with 400,000 well-trained warriors, while Jeroboam deployed against him 800,000 well-trained warriors.