2 Kings 15:17

In the nine and thirtieth year of Azariah king of Judah began Menahem the son of Gadi to reign over Israel, and reigned ten years in Samaria.

Cross-reference

2 Kings 15:13 Historical context

2 Kings 15:13 records Shallum's brief reign, which Menahem ended by assassinating him—setting the stage for this verse.