"The day of Al-Hajj Al-Akbar is the day of An-Nahr."
Jami` at-Tirmidhi Book 47, Hadith 141
← Previous Hadith "I asked the Messenger of Allah (ﷺ) about the day of Al-Hajj Al-Akbar, and he said: "The day of An-Nahr."

Jami` at-Tirmidhi Book 47, Hadith 140 Next Hadith → "The Prophet (ﷺ) sent Abu Bakr with the (announcement of) Bara'ah (the declaration to publicize the disavowal of the idolaters). Then he summoned him and said: 'It is not right for anyone to convey this except a man among my family.'"So he called for 'Ali and gave it to him."

Jami` at-Tirmidhi Book 47, Hadith 142