A feared empire
Assyria was centred in Mesopotamia, in the region of modern northern Iraq. Its kings built a vast and frightening military empire, with major cities such as Nineveh. In the Bible, Assyria often appears as the looming power on Israel and Judah's northern horizon.
In 722 BC, Assyria captured Samaria, the capital of the northern kingdom of Israel, and carried many Israelites away from their land. The biblical account connects this disaster with Israel's long pattern of turning from the Lord to worship other gods and follow the practices of surrounding nations (2 Kings 17:6-10). It was a national tragedy, not a casual event.
In the ninth year of Hoshea the king of Assyria took Samaria, and carried Israel away into Assyria, and placed them in Halah and in Habor by the river of Gozan, and in the cities of the Medes.
God's instrument, not God's equal
The prophets explained that God could use Assyria as an instrument of judgement. Isaiah calls Assyria the rod of God's anger against a godless people, yet he also makes clear that the Assyrian king did not act with humble obedience or understand God's purposes (Isaiah 10:5-7). Assyria wanted conquest, wealth and glory for itself.
That distinction matters. God rules over kings and empires, but their cruelty, arrogance and choices still matter to him. Isaiah says God would deal with the proud heart of the king of Assyria after he had served God's wider purpose (Isaiah 10:12). Power never places a nation beyond God's justice.
O Assyrian, the rod of mine anger, and the staff in their hand is mine indignation. I will send him against an hypocritical nation, and against the people of my wrath will I give him a charge, to take the spoil, and to take the prey, and to tread them down like the mire of the streets. Howbeit he meaneth not so, neither doth his heart think so; but it is in his heart to destroy and cut off nations not a few.
Nineveh received mercy
Assyria's most surprising moment comes in Jonah. God sent the reluctant prophet to Nineveh, Assyria's great city, with a warning of coming judgement. Rather than dismissing him, the people believed God, humbled themselves and turned from their evil way (Jonah 3:5, Jonah 3:10).
For an Israelite reader, this would have been startling. Nineveh belonged to a feared enemy, yet God saw its people and responded to their repentance. The book of Jonah reveals that God's compassion reaches beyond Israel's borders. He does not excuse evil, but he welcomes real turning back to him.
And God saw their works, that they turned from their evil way; and God repented of the evil, that he had said that he would do unto them; and he did it not.
Pride did not have the last word
Assyria later threatened Jerusalem during King Hezekiah's reign. The Assyrian army mocked Judah's trust in the Lord, but God defended the city and broke the siege (2 Kings 19:35). Jerusalem's rescue was not because Judah was naturally stronger. It showed that Assyria's armies were still under God's authority.
In time, Assyria itself fell. The prophet Nahum described Nineveh's ruin as the fitting end of a city marked by violence and deceit (Nahum 3:1, Nahum 3:7). Still, Scripture's final word is wider than judgement. Isaiah pictures a day when Egypt, Assyria and Israel will worship the Lord together and receive his blessing (Isaiah 19:23-25). That hope points to God's desire to gather people from even the deepest divisions.