1 Kings 8:65

8:65 At that time Solomon and all Israel with him celebrated a festival before the Lord our God for two entire weeks. This great assembly included people from all over the land, from Lebo Hamath in the north to the Brook of Egypt in the south.

1 Kings 12:32

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.