1 Kings 15:32

And there was war between Asa and Baasha king of Israel all their days.

Cross-reference

1 Kings 15:16 is an identical statement about continual war between Asa and Baasha, reinforcing the same fact.

1 Kings 16:8 Historical context

1 Kings 16:8 records Baasha's son Elah becoming king during Asa's reign, continuing the timeline of the war between their kingdoms.

In 2 Chronicles 15:19, a period of peace is mentioned, contrasting with the perpetual war stated here.

2 Chronicles 16:1 Historical context

In 2 Chronicles 16:1, the specific attack by Baasha against Judah is described, detailing the war noted here.

2 Samuel 3:1 describes a similar long war between Saul's house and David's, paralleling the dynastic conflict between Asa and Baasha.