Numbers 33:38

New International Version

At the Lord’s command Aaron the priest went up Mount Hor, where he died on the first day of the fifth month of the fortieth year after the Israelites came out of Egypt.

Cross References

Numbers 33:39

Aaron was a hundred and twenty-three years old when he died on Mount Hor.

Deuteronomy 1:3

In the fortieth year, on the first day of the eleventh month, Moses proclaimed to the Israelites all that the Lord had commanded him concerning them.

Deuteronomy 10:6

(The Israelites traveled from the wells of Bene Jaakan to Moserah. There Aaron died and was buried, and Eleazar his son succeeded him as priest.

Deuteronomy 32:50

There on the mountain that you have climbed you will die and be gathered to your people, just as your brother Aaron died on Mount Hor and was gathered to his people.