Put them in fear, O LORD: that the nations may know themselves to be but men. Selah.
The title refers to the tune itself, not some historical victory, the disputes over which battle David celebrates here are pointless. Yes, he gives thanks for God's power, but read the whole psalm as prayer: he recalls former deliverances to lift his heart toward confidence that God will do the same against these new enemies rising before him.
AI summary
Commenting on Psalm 9:1-20
One would think that men would not grow so vain as to deny themselves to be but men, but it appears to be a lesson which only a divine schoolmaster can teach to some proud spirits. Crowns leave their wearers but men, degrees of eminent learning make their owners not more than men, valour and conquest cannot elevate beyond the dead level of "but men;"...
Those who truly praise God desire that others praise Him too and labor to bring them to it. Sing praises to the Lord who dwells in Zion, in the assemblies of His people, there He meets them with His promises and expects their praises in return. Tell the nations what He has done; let them know the justice of God against those who shed innocent blood.
AI summary
Commenting on Psalm 9:11-20