which in the thirtieth year was the reconciliation by the grandson of the Messenger of Allāh (ṣallá Allāhu ʿalayhi wa-sallam), al-Ḥasan ibn ʿAlī, the master, between two groups of believers by stepping down from authority in the forty-first year in the month of Jumādá al-Ākhirah. It was called the Year of Unity because the people united under Muʿāwiyah, who was the first of the kings. In the ḥadīth narrated by Muslim: "There will be a caliphate following the prophetic model and mercy, then there will be kingship and mercy, then there will be kingship and tyranny, then there will be biting kingship..." I have found two supporting narrations for these ḥadīths: the first is from Abū Bakrah al-Thaqafī. It was recorded by al-Bayhaqī in "al-Dalāʾil" through the chain of ʿAlī ibn Zayd from ʿAbd al-Raḥmān ibn Abī Bakrah from his father with a similar wording. The other is from Jābir ibn ʿAbd Allāh al-Anṣārī. It was recorded by al-Wāḥidī in "al-Wasīṭ" (3/126/2) from Shāfiʿ ibn Muḥammad who reported from Ibn al-Washāʾ ibn Ismāʿīl al-Baghdādī: Muḥammad ibn al-Ṣabbāḥ narrated to us, Hushaym ibn Bashīr narrated to us from Abū al-Zubayr from him with a similar wording. In the first narration, there is ʿAlī ibn Zayd, who is Ibn Judʿān, and he is weak in memory, but he is suitable for corroboration. In the other narration, there is Shāfiʿ ibn Muḥammad who reported from Ibn al-Washāʾ ibn Ismāʿīl al-Baghdādī, and I do not know them, and perhaps there is a textual error in the manuscript. In summary, the ḥadīth is ḥasan through the chain of Saʿīd ibn Jumhān, and authentic with these [supporting narrations]