2 Kings 17:5,6
Then the king of Assyria came up throughout all the land, and went up to Samaria, and besieged it three years.
Torrey's Topical Textbook—AKJV

2 Kings 18:9,10
And it came to pass in the fourth year of king Hezekiah, which was the seventh year of Hoshea son of Elah king of Israel, that Shalmaneser king of Assyria came up against Samaria, and besieged it.
Torrey's Topical Textbook—AKJV