2 Chronicles 5:3
All the men of Israel assembled before the king during the festival in the seventh month.
1 Kings 8:2
All the men of Israel assembled before King Solomon during the festival in the month Ethanim (the seventh month).
2 Chronicles 7:8-10
At that time Solomon and all Israel with him celebrated a festival for seven days. This great assembly included people from Lebo Hamath in the north to the Brook of Egypt in the south.
Leviticus 23:34-36
"Tell the Israelites, 'On the fifteenth day of this seventh month is the Festival of Temporary Shelters for seven days to the Lord.