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 References (ranked by relevance)
For the head of Syria is Damascus, and the head of Damascus is Rezin; and within threescore and five years shall Ephraim be broken, that it be not a people.
If God will not withdraw his anger, the proud helpers do stoop under him.
Now the Egyptians are men, and not God; and their horses flesh, and not spirit. When the LORD shall stretch out his hand, both he that helpeth shall fall, and he that is holpen shall fall down, and they all shall fail together.
David smote also Hadadezer, the son of Rehob, king of Zobah, as he went to recover his border at the river Euphrates.