1 Chronicles 11:3

11:3 When all the leaders of Israel came to the king at Hebron, David made an agreement with them in Hebron before the Lord. They anointed David king over Israel, just as the Lord had announced through Samuel.

1 Chronicles 12:38

12:38 All these men were warriors who were ready to march. They came to Hebron to make David king over all Israel by acclamation; all the rest of the Israelites also were in agreement that David should become king.