[1] According to the Islamic tradition, Al-Mumtahanah is a Medinan sura, that is a chapter that is revealed after Muhammad's hijra to Medina.

According to The Study Quran, the revelation likely took place at some point after the 6th year after the hijra (AH) or 628 CE.

[1] Various of scholars of Islam, included Ibn Taymiyyah and Muhammad Sulaiman Al-Ashqar, tafsir expert from Islamic University of Madinah, has issued fatwa based on Hadith Qudse from Hatib ibn Abi Balta'ah and the revelation of first verse of Al-Mumtahanah, that every Companions of the Prophet who attended of battle of Badr has been elevated to the saints status by Allah Himself.

[10] Quranic commentators Mahmud al-Alusi (d. 1854) and Abu 'Abdullah Al-Qurtubi (d. 1273) mentioned that this refers to Umm Kulthum bint Uqbah who was the subject of several of its verses.

[1] In the 1730s, George Sale opines in his translation footnotes "this chapter bears this title because it directs the women who desert and come over from the infidels to the Moslems to be examined, and tried whether they be sincere in their profession of the faith.