3 بابُ فِي ذِكْرِ مَوْلِد الرِّضا عَلِىِّ بْنِ...
(769 A.D.) - five years after the death of Imam As-Sadiq (a.s.) He died in Toos in a village called Sanabad in the town of Nawqan. He was buried in Hamid ibn Al-Ta’ee’s house in the same vault in which Harun Al-Rashid was buried. He was buried on the Qibla [^2] side of the grave of Harun Ar-Rashid. This occurred on Friday the 21st (or the 20th) of the (Arabic) month of Ramadhan in the year 203 A.H. (817 A.D.). He lived for forty-nine years and six months.
He spent twenty-nine years and two months with his noble father Imam Musa ibn Ja'far (a.s.). Then he succeeded his father, and was Imam for a period of twenty years and four months. He became Imam when he was twenty-nine years and two months old. This period of his Divine Leadership coincided with the period of the ruling of Harun Ar-Rashid. After Ar-Rashid, Muhammad known as Al-Amin who was the son of Zobayda ruled for three years and twenty-five days.
Al-Amin was then dethroned and his uncle Ibrahim ibn Shaklah was put in power for fourteen days. Then he released Muhammad ibn Zobayda (al-Amin) from prison, and had the people pledge allegiance to him again. He ruled for another year and a half and twenty-three days. Then Abdullah Al-Ma’mun ruled for twenty years and twenty-three days. It was then that he (al-Ma’mun) took a pledge of succession from Ali ibn Musa Al-Ridha’ (a.s.) without his consent.
This he did after threatening him (Imam al-Ridha’) with death. He insisted on this over and over. The Imam (a.s.) refused to accept this offer every time, until he finally faced the threat of being killed. Then he said, “O My God! Verily you have admonished me against getting myself killed. Indeed I dislike it but I am forced to accept the succession of Abdullah Al-Ma’mun, else he would kill me.