2 Chronicles 7:9

And on the eighth day they made a solemn assembly, for they held the dedication of the altar seven days and the feast seven days.

Leviticus 23:36

[For] seven days you must present an offering made by fire to Yahweh. On the eighth day it shall be a holy assembly for you, and you shall present an offering made by fire to Yahweh; it [is] a celebration; you must not do {any regular work}.

Deuteronomy 16:8

Six days you shall eat unleavened bread, and on the seventh day [there shall be] an assembly for Yahweh your God; you shall not do work.

1 Kings 8:65

Solomon held the festival at that time and all of Israel with him, a great assembly from Lebo Hamath up to the wadi of Egypt before Yahweh our God, for seven days [and] seven days, [a total of] fourteen days.

2 Chronicles 30:23

Then the whole assembly decided to make seven more days [of feasting], so they made seven [more] days with joy,

Nehemiah 8:18

And he read from the scroll of the law of God day by day from the first day up to the last day. They celebrated the festival for seven days, and on the eighth day there was an assembly according to the rule.

Joel 1:14

Solemnize a fast! Call an assembly! Gather [the] elders, all [of] the inhabitants of the land [in] the house of Yahweh your God, and cry out to Yahweh.

Treasury of Scripture Knowledge

Summary

And in the eighth day they made a solemn assembly: for they kept the dedication of the altar seven days, and the feast seven days.

General references

Bible References

Solemn assembly

Leviticus 23:36
[For] seven days you must present an offering made by fire to Yahweh. On the eighth day it shall be a holy assembly for you, and you shall present an offering made by fire to Yahweh; it [is] a celebration; you must not do {any regular work}.
Deuteronomy 16:8
Six days you shall eat unleavened bread, and on the seventh day [there shall be] an assembly for Yahweh your God; you shall not do work.
Nehemiah 8:18
And he read from the scroll of the law of God day by day from the first day up to the last day. They celebrated the festival for seven days, and on the eighth day there was an assembly according to the rule.
Joel 1:14
Solemnize a fast! Call an assembly! Gather [the] elders, all [of] the inhabitants of the land [in] the house of Yahweh your God, and cry out to Yahweh.

General references

John 7:2
Now the feast of the Jews--the [feast of] Tabernacles--was near.