So the king sought advice. Then he made two gold calves, and he said to the people, "Going to Jerusalem is too difficult for you. Israel, here is your God who brought you out of the land of Egypt."
References for 1 Kings 12:28
He set up one in Bethel, and put the other in Dan.
This led to sin; the people walked [in procession] before one of the calves all the way to Dan.
References for 1 Kings 12:30