"He rebelled against the king of Assyria and did not serve him" (1 Kings 18:7).
He stopped paying tribute and expanded Judah's influence by attacking Philistine cities as far as Gaza that were allies of Assyria (18:8).
In the New Testament, John writes: "The one who is in you is greater than the one who is in the world." (1 John 4:4) It is vital to understand that Hezekiah is bringing God's problem to God, rather than trying to solve it himself. Consider: Think of the pressure we take upon ourselves when we try to be the general in God's battles. (For more on this, see my comments and illustrations in "Near Eastern Thrones and the Ark of the Covenant",
Hezekiah prays to Yahweh whom he sees as enthroned between the cherubim, in a much higher place than any earthly king.
Finally, Jerusalem was besieged and Hezekiah was forced to admit his rebellion and pay a huge tribute to lift the siege.
Assyrian records from Sennacherib gloat over the victory: "As to Hezekiah the Jew, he did not submit to my yoke.
Then a letter came to Hezekiah demanding that he surrender Jerusalem. act=ST&f=88&t=362 in small caps it indicates Yahweh. "God of Israel." Israel is the name God gave to Jacob (Genesis ) and is applied to the nation.Hezekiah was one of the chief ringleaders in a rebellion against Assyria.In 701 BC, another Assyrian king Sennacherib (705-681) led a massive military force into the area to put down the rebels, counteract Egyptian threats, and reassert Assyria's dominance.Previous Assyrian kings had attacked the Northern Kingdom of Samaria -- Tiglath Pileser III (745-727 BC), Shalmanezer V (727-722), and Sargon II (722-705).Samaria finally fell in 722 BC and the Northern Kingdom ceased to exist (2 Kings 17:3-6; 18:9-12).