The Surah takes its name from the word nasr occurring in the first verse.
Hadrat Abdullah bin Abbas states that this is the last Surah of the Quran to be revealed, i. e. no complete Surah was sent down to the Holy Prophet after it. (Muslim Nasai, Tabarani, Ibn Abi Shaibah, Ibn Marduyah)....
According to Hadrat Abdullah bin Umar, this Surah was sent down on the occasion of the Farewell Pilgrimage in the middle of the Tashriq Days at Mina, and after it the Holy Prophet rode his she camel and gave his well known Sermon. (Tirmidhi, Bazzar, Baihaqi, Ibn Abi Shaibah, Abd bin Humaid, Abn Yala...