Hadith
وَزَادَ ابْنُ إِسْحَاقَ حَدَّثَنِي ابْنُ أَبِي نَجِيحٍ، وَأَبَانُ بْنُ صَالِحٍ، عَنْ عَطَاءٍ، وَمُجَاهِدٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ تَزَوَّجَ النَّبِيُّ صلى الله عليه وسلم مَيْمُونَةَ فِي عُمْرَةِ الْقَضَاءِ.
Ibn `Abbas added:The Prophet married Maimuna during the `Umrat-al-Qada' (i.e. the `Umra performed in lieu of the `Umra which the Prophet (ﷺ) could not perform because the pagans, prevented him to perform that `Umra
Sahih
Sahih al-Bukhari 4259 ·Book 64, Hadith 293·Also available on sunnah.com·