Judges 3:1
Now these are the nations which the LORD left, to prove Israel by them, even as many of Israel as had not known all the wars of Canaan;
Judges 16:9
Now there were men lying in wait, abiding with her in the chamber. And she said unto him, The Philistines be upon thee, Samson. And he brake the withes, as a thread of tow is broken when it toucheth the fire. So his strength was not known.
Judges 21:12
And they found among the inhabitants of Jabeshgilead four hundred young virgins, that had known no man by lying with any male: and they brought them unto the camp to Shiloh, which is in the land of Canaan.