Sahih Bukhari
Oneness, Uniqueness of Allah (Tawheed)
Volume: 009 / Book Number: 093 / Hadith Number: 517
Narrated Anas bin Malik:
The Verse of Al-Hijab (veiling of women) was revealed in connection with Zainab bint Jahsh. (On the day of her marriage with him) the Prophet gave a wedding banquet with bread and meat; and she used to boast before other wives of the Prophet and used to say, "Allah married me (to the Prophet in the Heavens."