Bible Verses About War: Large armies frequently engaged in

And when Abia had begun battle, and had with him four hundred thousand most valiant and chosen men, Jeroboam put his army in array against him, eight hundred thousand men, who were also chosen and most valiant for war.

And Zara the Ethiopian came out against them with his army of ten hundred thousand men, and with three hundred chariots: and he came as far as Maresa.