1 Kings 12:28

12:28 After the king had consulted with his advisers, he made two golden calves. Then he said to the people, “It is too much trouble for you to go up to Jerusalem. Look, Israel, here are your gods who brought you up from the land of Egypt.”

1 Kings 12:30

12:30 This caused Israel to sin; the people went to Bethel and Dan to worship the calves.

1 Kings 12:33

A Prophet from Judah Visits Bethel

12:33 On the fifteenth day of the eighth month (a date he had arbitrarily chosen) Jeroboam offered sacrifices on the altar he had made in Bethel. He inaugurated a festival for the Israelites and went up to the altar to offer sacrifices.