1 Samuel 8:20
That we also may be like all the nations; and that our king may judge us, and go out before us, and fight our battles.
Torrey's Topical Textbook—AKJV

1 Samuel 15:4,5
And Saul gathered the people together, and numbered them in Telaim, two hundred thousand footmen, and ten thousand men of Judah.
Torrey's Topical Textbook—AKJV

2 Samuel 12:29
And David gathered all the people together, and went to Rabbah, and fought against it, and took it.
Torrey's Topical Textbook—AKJV

1 Kings 22:1-53
And they continued three years without war between Syria and Israel.
Torrey's Topical Textbook—AKJV