Narrated Sa`id 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.
Hadith ReferenceSahih Bukhari / The Book of Al- Maghazi / Hadith: 4164
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة