2 Chronicles 7:8
"Also at the same time Solomon kept the feast seven days, and all Israel with him, a very great congregation, from the entering in of Hamath unto the river of Egypt."
Cross References (ranked by relevance)
In the same day the LORD made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates:
And at that time Solomon held a feast, and all Israel with him, a great congregation, from the entering in of Hamath unto the river of Egypt, before the LORD our God, seven days and seven days, even fourteen days.
But, behold, I will raise up against you a nation, O house of Israel, saith the LORD the God of hosts; and they shall afflict you from the entering in of Hemath unto the river of the wilderness.
And there assembled at Jerusalem much people to keep the feast of unleavened bread in the second month, a very great congregation.
Now the Jews’ feast of tabernacles was at hand.