It is narrated on the authority of Urwa bin Zubair who narrated from Aisha that she informed him that Fatima, daughter of the Messenger of Allah ﷺ , sent someone to Abu Bakr (RA) to demand from him her share of the legacy left by the Messenger of Allah ﷺ from what Allah had bestowed upon him at Madinah and Fadak and what was left from one-fifth of the income (annually received) from Khaibar. Abu Bakr (RA) said: The Messenger of Allah ﷺ said: "We (prophets) do not have any heirs; what we leave behind is (to be given in) charity." The household of the Messenger of Allah ﷺ will live on the income from these properties, but, by Allah, I will not change the charity of the Messenger of Allah ﷺ from the condition in which it was in his own time. I will do the same with it as the Messenger of Allah ﷺ himself used to do. So Abu Bakr (RA) refused to hand over anything from it to Fatima who got angry with Abu Bakr (RA) for this reason. She forsook him and did not talk to him until the end of her life. She lived for six months after the death of the Messenger of Allah ﷺ . When she died, her husband Ali bin Abu Talib, buried her at night. He did not inform Abu Bakr (RA) about her death and offered the funeral prayer over her himself. During the lifetime of Fatima, Ali received (special) regard from the people. After she had died, he felt estrangement in the faces of the people towards him. So he sought to make peace with Abu Bakr (RA) and offer his allegiance to him. He had not yet owed allegiance to him as Caliph during these months. He sent a person to Abu Bakr (RA) requesting him to visit him unaccompanied by anyone (disapproving the presence of Umar). Umar said to Abu Bakr (RA) : By Allah, you will not visit them alone. Abu Bakr (RA) said: What will they do to me? By Allah, I will visit them. And he did pay them a visit alone. Ali recited Tashahhud (as it is done in the beginning of a religious sermon); then said: We recognise your moral excellence and what Allah has bestowed upon you. We do not envy the favour (i. e. the Caliphate) which Allah nas conferred upon you; but you have done it (assumed the position of Caliph) alone (without consulting us), and we thought we had a right (to be consulted) on account of our kinship with the Messenger of Allah ﷺ . He continued to talk to Abu Bakr (RA) (in this vein) until the latters eyes welled up with tears. Then Abu Bakr (RA) spoke and said: By Allah, in Whose Hand is my life, the kinship of the Messenger of Allah ﷺ is dearer to me than the kinship of my own people. As regards the dispute that has arisen between you and me about these properties, I have not deviated from the right course and I have not given up doing about them what the Messenger of Allah ﷺ used to do. So Ali said to Abu Bakr (RA) : This afternoon is (fixed) for (swearing) allegiance (to you). So when Abu Bakr (RA) had finished his Zuhr prayer, he ascended the pulpit and recited Tashahhud, and described the status of Ali, his delay in swearing allegiance and the excuse which he had offered to him (for this delay). (After this) he asked for Gods forgiveness. Then Ali bin Abu Talib recited the Tashahhud, extolled the merits of Abu Bakr (RA) and said that his action was not prompted by any jealousy of Abu Bakr (RA) on his part or his refusal to accept the high position which Allah had conferred upon him, (adding:) But we were of the opinion that we should have a share in the government, but the matter had been decided without taking us into confidence, and this displeased us. (Hence the delay in offering allegiance. The Muslims were pleased with this (explanation) and they said: You have done the right thing. The Muslims were (again) favourably inclined to Ali since he adopted the proper course of action.
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Book 019, Number 4353:
It has been narrated on the authority of Aisha that Fatima and Abbas approached Abu Bakr, soliciting transfer of the legacy of the Messenger of Allah ﷺ to them. At that time, they were demanding his (Holy Prophets) lands at Fadak and his share from Khaibar. Abu Bakr (RA) said to them: I have heard from the Messenger of Allah ﷺ . Then he quoted the hadith having nearly the same meaning as the one which has been narrated by Uqail on the authority of al-Zuhri (and which his gone before) except that in his version he said: Then Ali stood up, extolled the merits of Abu Bakr (RA) mentioned his superiority, and his earlier acceptance of Islam. Then he walked to Abu Bakr (RA) and swore allegiance to him. (At this) people turned towards Ali and said: you have done the right thing. And they became favourably inclined to Ali after he had adopted the proper course of action.