Numbers 20:29

The entire congregation learned that Aaron had died. They all mourned for him for thirty days.

Deuteronomy 34:8

So the sons of Israel wept for Moses in the plains of Moab thirty days. Then the days of weeping and mourning for Moses came to an end.

Genesis 1:10

God called the dry land earth. The gathering of the waters He called seas. God saw that it was good.

2 Chronicles 35:24-25

His officers took him out of the chariot and brought him to Jerusalem in his other chariot. He died and was buried in the tombs of his ancestors. All Judah and Jerusalem mourned for Josiah.

Acts 8:2

Devout men buried Stephen and mourned him greatly.

Treasury of Scripture Knowledge

Summary

And when all the congregation saw that Aaron was dead, they mourned for Aaron thirty days, even all the house of Israel.

Bible References

General references

Genesis 1:10
God called the dry land earth. The gathering of the waters He called seas. God saw that it was good.
Deuteronomy 34:8
So the sons of Israel wept for Moses in the plains of Moab thirty days. Then the days of weeping and mourning for Moses came to an end.
2 Chronicles 35:24
His officers took him out of the chariot and brought him to Jerusalem in his other chariot. He died and was buried in the tombs of his ancestors. All Judah and Jerusalem mourned for Josiah.
Acts 8:2
Devout men buried Stephen and mourned him greatly.