1 Kings 12:32-33

12:32 Jeroboam inaugurated a festival on the fifteenth day of the eighth month, like the festival celebrated in Judah. On the altar in Bethel he offered sacrifices to the calves he had made. In Bethel he also appointed priests for the high places he had made.

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.

1 Kings 12:2

12:2 When Jeroboam son of Nebat heard the news, he was still in Egypt, where he had fled from King Solomon and had been living ever since.

1 Kings 1:18

1:18 But now, look, Adonijah has become king! But you, my master the king, are not even aware of it!