Judges 20:15-19

From the cities on that day the sons of Benjamin were counted, twenty-six thousand men who drew the sword, besides the inhabitants of Gibeah who were counted, seven hundred choice men.

Out of all these people seven hundred choice men were left-handed; each one could sling a stone at a hair and not miss.

Then the men of Israel besides Benjamin were counted, four hundred thousand men who drew the sword; all of these were men of war. Civil War, Benjamin Defeated

Now the sons of Israel set out, went up to Bethel, and inquired of God and said, “Who shall go up first for us to battle against the sons of Benjamin?” Then the Lord said, “Judah shall go up first.”

So the sons of Israel got up in the morning and camped against Gibeah.