Leviticus 23:36 - Seven days ye shall offer an offering made by fire unto the LORD: on the eighth day shall be an holy convocation unto you; and ye shall offer an offering made by fire unto the LORD: it is a solemn assembly; and ye shall do no servile work therein.   (Verses like Leviticus 23:36)

Deuteronomy 16:8 - Six days thou shalt eat unleavened bread: and on the seventh day shall be a solemn assembly to the LORD thy God: thou shalt do no work therein.   (Verses like Deuteronomy 16:8)

1 Kings 8:65 - 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.   (Verses like 1 Kings 8:65)

2 Chronicles 30:23 - And the whole assembly took counsel to keep other seven days: and they kept other seven days with gladness.   (Verses like 2 Chronicles 30:23)

Nehemiah 8:18 - Also day by day, from the first day unto the last day, he read in the book of the law of God. And they kept the feast seven days; and on the eighth day was a solemn assembly, according unto the manner.   (Verses like Nehemiah 8:18)

Joel 1:14 - Sanctify ye a fast, call a solemn assembly, gather the elders and all the inhabitants of the land into the house of the LORD your God, and cry unto the LORD,   (Verses like Joel 1:14)