Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)

Bukhari :: Book 5 :: Volume 59 :: Hadith 482

Narrated Said bin Al-Musaiyab:

That his father was amongst those who had given the Pledge of allegiance (to the Prophet ) beneath the Tree, and the next year when they went towards the Tree, they were not able to recognize it.

Source materials are from the University of Southern California MSA site
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