Oil used for Anointing Kings
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1 Samuel 10:1
Then Samuel took a flask of oil, poured it on Saul’s head, kissed him, and said, “Has not the LORD anointed you ruler over His inheritance?
1 Samuel 16:1, 13
Now the LORD said to Samuel, “How long are you going to mourn for Saul, since I have rejected him as king over Israel? Fill your horn with oil and go. I am sending you to Jesse of Bethlehem, for I have selected from his sons a king for Myself.” / So Samuel took the horn of oil and anointed him in the presence of his brothers, and the Spirit of the LORD rushed upon David from that day forward. Then Samuel set out and went to Ramah.
1 Kings 1:39
Zadok the priest took the horn of oil from the tabernacle and anointed Solomon. Then they blew the ram’s horn, and all the people proclaimed, “Long live King Solomon!”