1 Samuel 13:3-4

3And Jonathan smote the garrison of the Philistines that was in Geba, and the Philistines heard of it . And Saul blew the trumpet throughout all the land, saying, Let the Hebrews hear.1

4And all Israel heard it said that Saul had smitten a garrison of the Philistines, and that Israel also was held in abomination with the Philistines. And the people were called together after Saul to Gilgal.2