Judges 21:5,6
And the children of Israel said, Who is there among all the tribes of Israel that came not up with the congregation to the LORD? For they had made a great oath concerning him that came not up to the LORD to Mizpeh, saying, He shall surely be put to death.
Nave's Topical Index—AKJV

Judges 20:21
And the children of Benjamin came forth out of Gibeah, and destroyed down to the ground of the Israelites that day twenty and two thousand men.
Nave's Topical Index—AKJV