2 Samuel 8:5

And when the Syrians of Damascus came to succour Hadadezer king of Zobah, David slew of the Syrians two and twenty thousand men.

Cross-reference

2 Samuel 10:6 describes Syrians being hired by Ammon to fight David — another instance of Syrians opposing David.

1 Kings 11:23–25 Historical context

1 Kings 11:23-25 reveals that Rezon, from Hadadezer's forces, became an adversary to Solomon — a direct consequence of David's victory over Damascus.

1 Chronicles 18:5 gives the parallel account of David striking down 22,000 Arameans from Damascus, repeating the same event.

1 Chronicles 18:6 Historical context

1 Chronicles 18:6 adds that David placed garrisons in Damascus after the victory, continuing the narrative of 8:5.