Numbers 20:29

And all the assembly will see that Aaron died, and they will weep for Aaron thirty days, all the house of Israel.

Deuteronomy 34:8

And the sons of Israel will weep for Moses in the desert of Moab thirty days: and the days of the weeping of the mourning for Moses will be finished.

Genesis 1:10

And God will call to the dry, earth; and to the gathering of the waters he called seas: and God will see that it is good.

2 Chronicles 35:24-25

And his servants will cause him to pass from the chariot, and they will cause him to ride in the second chariot which was to him; and they will cause him to go to Jerusalem, and he will die, and be buried in the graves of his fathers. And all Judah and Jerusalem mourning for Josiah.

Acts 8:2

And circumspect men interred Stephen, and made great lamentation over him.

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
And God will call to the dry, earth; and to the gathering of the waters he called seas: and God will see that it is good.
Deuteronomy 34:8
And the sons of Israel will weep for Moses in the desert of Moab thirty days: and the days of the weeping of the mourning for Moses will be finished.
2 Chronicles 35:24
And his servants will cause him to pass from the chariot, and they will cause him to ride in the second chariot which was to him; and they will cause him to go to Jerusalem, and he will die, and be buried in the graves of his fathers. And all Judah and Jerusalem mourning for Josiah.
Acts 8:2
And circumspect men interred Stephen, and made great lamentation over him.