Numbers 20:29
“And when all the congregation saw that Aaron was dead, they mourned for Aaron thirty days, even all the house of Israel.”
And Moses did as the Lord commanded: and they went up into mount Hor in the sight of all the congregation.
And Moses stripped Aaron of his garments, and put them upon Eleazar his son; and Aaron died there in the top of the mount: and Moses and Eleazar came down from the mount.
And when all the congregation saw that Aaron was dead, they mourned for Aaron thirty days, even all the house of Israel.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“And Moses stripped Aaron of his garments, and put them upon Eleazar his son; and Aaron died there in the top of the mount: and Moses and Eleazar came down from the mount.”
“And strip Aaron of his garments, and put them upon Eleazar his son: and Aaron shall be gathered unto his people, and shall die there.”
“And the children of Israel wept for Moses in the plains of Moab thirty days: so the days of weeping and mourning for Moses were ended.”
“And Moses told these sayings unto all the children of Israel: and the people mourned greatly.”
“And Aaron was an hundred and twenty and three years old when he died in mount Hor.”