8 In the thirty and eighth year of Azariah king of Judah did Zechariah the son of Jeroboam reign over Israel in Samaria six months. 9 And he did that which was evil in the sight of Jehovah, as his fathers had done: he departed not from the sins of Jeroboam the son of Nebat, wherewith he made Israel to sin. 10 And Shallum the son of Jabesh conspired against him, and smote him before the people, and slew him, and reigned in his stead. 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 Jehovah which he spake unto Jehu, saying, Thy sons to the fourth generation shall sit upon the throne of Israel. And so it came to pass.
13 Shallum the son of Jabesh began to reign in the nine and thirtieth year of Uzziah king of Judah; and he reigned the space of a month in Samaria. 14 And Menahem the son of Gadi went up from Tirzah, and came to Samaria, and smote Shallum the son of Jabesh in Samaria, and slew him, and reigned in his stead. 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 smote Tiphsah, and all that were therein, and the borders thereof, from Tirzah: because they opened not to him, therefore he smote it; and all the women therein that 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.