Here are 13 Bible verses about civil war from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Mark 3:26 KJV
And if Satan rise up against himself, and be divided, he cannot stand, but hath an end.
Joshua 22:12 KJV
And when the children of Israel heard of it, the whole congregation of the children of Israel gathered themselves together at Shiloh, to go up to war against them.
1 Kings 14:30 KJV
And there was war between Rehoboam and Jeroboam all their days.
1 Kings 15:6 KJV
And there was war between Rehoboam and Jeroboam all the days of his life.
1 Kings 15:32 KJV
And there was war between Asa and Baasha king of Israel all their days.
Judges 20:14 KJV
But the children of Benjamin gathered themselves together out of the cities unto Gibeah, to go out to battle against the children of Israel.
1 Kings 15:16 KJV
And there was war between Asa and Baasha king of Israel all their days.
2 Samuel 3:6 KJV
And it came to pass, while there was war between the house of Saul and the house of David, that Abner made himself strong for the house of Saul.
1 Kings 12:21 KJV
And when Rehoboam was come to Jerusalem, he assembled all the house of Judah, with the tribe of Benjamin, an hundred and fourscore thousand chosen men, which were warriors, to fight against the house of Israel, to bring the kingdom again to Rehoboam the son of Solomon.
1 Kings 15:7 KJV
Now the rest of the acts of Abijam, and all that he did, are they not written in the book of the chronicles of the kings of Judah? And there was war between Abijam and Jeroboam.
Isaiah 19:2 KJV
And I will set the Egyptians against the Egyptians: and they shall fight every one against his brother, and every one against his neighbour; city against city, and kingdom against kingdom.
2 Samuel 3:1 KJV
Now there was long war between the house of Saul and the house of David: but David waxed stronger and stronger, and the house of Saul waxed weaker and weaker.
Revelation 6:4 KJV
And there went out another horse that was red: and power was given to him that sat thereon to take peace from the earth, and that they should kill one another: and there was given unto him a great sword.