8 In the thirty-eighth year of Azariah king of Judah did Zechariah the son of Jeroboam reign over Israel in Samaria six months. 9 He did that which was evil in the sight of Yahweh, as his fathers had done: he didn’t depart from the sins of Jeroboam the son of Nebat, with which he made Israel to sin. 10 Shallum the son of Jabesh conspired against him, and struck him before the people, and killed him, and reigned in his place. 11 Now the rest of the acts of Zechariah, behold, they are written in the book of the chronicles of the kings of Israel. 12 This was the word of Yahweh which he spoke to Jehu, saying, “Your sons to the fourth generation shall sit on the throne of Israel.” So it came to pass.
13 Shallum the son of Jabesh began to reign in the thirty-ninth year of Uzziah king of Judah; and he reigned for a month in Samaria. 14 Menahem the son of Gadi went up from Tirzah, and came to Samaria, and struck Shallum the son of Jabesh in Samaria, and killed him, and reigned in his place. 15 Now the rest of the acts of Shallum, and his conspiracy which he made, behold, they are written in the book of the chronicles of the kings of Israel. 16 Then Menahem struck Tiphsah, and all who were therein, and its borders, from Tirzah: because they didn’t open to him, therefore he struck it; and all the women therein who were with child he ripped up.
Matthew Henry's Commentary on 2 Kings 15:8-16
Commentary on 2 Kings 15:8-31
(Read 2 Kings 15:8-31)
This history shows Israel in confusion. Though Judah was not without troubles, yet that kingdom was happy, compared with the state of Israel. The imperfections of true believers are very different from the allowed wickedness of ungodly men. Such is human nature, such are our hearts, if left to themselves, deceitful above all things, and desperately wicked. We have reason to be thankful for restraints, for being kept out of temptation, and should beg of God to renew a right spirit within us.