Judges 3:2 in the King James Version
Only that the generations of the children of Israel might know, to teach them war, at the least such as before knew nothing thereof;
Context
1 Now these are the nations which the LORD left, to test Israel by them, even as many as had not known all the wars of Canaan;
2 only that the generations of the children of Israel might know, to teach them war, at least those who knew nothing of it before:
3 the five lords of the Philistines, all the Canaanites, the Sidonians, and the Hivites who lived on Mount Lebanon, from Mount Baal Hermon to the entrance of Hamath.