2 Samuel 8:3-4

8:3 David defeated King Hadadezer son of Rehob of Zobah when he came to reestablish his authority over the Euphrates River. 8:4 David seized from him 1,700 charioteers and 20,000 infantrymen. David cut the hamstrings of all but a hundred of the chariot horses.

2 Samuel 8:13

8:13 David became famous when he returned from defeating the Arameans in the Valley of Salt, he defeated 18,000 in all.