So he offered upon the altar which he had made in Bethel the fifteenth day of the eighth month, even in the month which he had devised of his own heart; and ordained a feast unto the children of Israel: and he offered upon the altar, and burnt incense. He offered upon the altar - Jeroboam probably performed the functions of high priest himself, that he might in his own person condense the civil and ecclesiastical power.
Commentary on the Bible, by Adam Clarke [1831].