Verse 9
Do unto them as unto the Midianites - Who were utterly defeated by Gideon, Jdg 7:21, Jdg 7:22.
As to Sisera - Captain of the army of Jabin, king of Canaan, who was totally defeated by Deborah and Barak, near Mount Tabor, by the river Kishon; and himself, after having fled from the battle, slain by Jael, the wife of Heber, the Kenite. See Jdg 4:15, etc.