1 Samuel 13:1-3

1Saul was thirty years old when he became king, and he reigned forty-two years over Israel.

2He chose three thousand men from Israel for himself: two thousand were with Saul at Michmash and in Bethel’s hill country, and one thousand were with Jonathan in Gibeah of Benjamin. He sent the rest of the troops away, each to his own tent.

3Jonathan attacked the Philistine garrison in Gibeah, and the Philistines heard about it. So Saul blew the ram’s horn throughout the land saying, “Let the Hebrews hear!”