NumNm NumbersNumeri, chaptercapitolo Book of NumbersLibro dei Numeri, chaptercapitolo 33

And Aharon HaKohen went up into Mt Hor at the command of Hashem, and died there, in the 40th year after the Bnei Yisroel were come out of Eretz Mitzrayim, in the first yom of the fifth month.