Sunday, November 1, 2026

Abdullah bin Tahir’s Governorship, Tahir’s Death, and Revolts Across the Abbasid Empire

Abdullah bin Tahir's Governorship

The news reached in 206 A.H. that Yahya bin Mu'az, the governor of Jazirah, and Sirri bin Mohammad Hakam, the governor of Egypt, died and they made their sons Ahmad and Obaidallah the governors of Jazirah and Egypt respectively. Nasr bin Sheeth began to advance towards Jazirah and Obaidallah raised the flag of rebellion in Egypt. Mamoon appointed Ishaq bin Ibrahim bin Husain bin Mus'ab officer to the Police Department in place of Obaidallah. Then he appointed Abdullah bin Tahir, governor of Jazirah and sent him off with the instructions first to fight Nasr bin Sheeth and after completing this, send the forces to Egypt.

Abdullah bin Tahir at once left with the military forces, halted in between Riqqah and Egypt and spread out groups of his soldiers to besiege Nasr bin Sheeth. When Tahir bin Husain received the news in Khorasan that the Caliph had made Abdullah governor of Jazirah in charge of all the western provinces, he wrote a letter to Abdullah, which contained his views on the principles of administration, grand ethics and politics. Historically, it is considered to be one of the best documents on ethics and the principles of administration.

Mamoon learned about it, had it copied and sent a copy to each of his governors. Imam Ibn Khaldoon in his book A Preface to History and Ibn Atheer in his book A Complete History have recorded it. It is considered essential to include it in the study of ethics. The same year Fadal bin Rabi who went into hiding for fear of Mamoon and then eventually went to Ibrahim bin Mehdi and joined his companionship and hid himself when Ibrahim went underground, begged for forgiveness and Mamoon forgave him.

A series of battles continued to be fought between Abdullah bin Tahir and Nasr bin Sheeth and due to this disturbance no expedition could be sent to Egypt. Abdur Rahman bin Ahmad became an insurgent in Yemen but he was defeated in the same year. Mamoon sent Dinar bin Abdullah to Yemen, Abdur Rahman bin Ahmad requested Dinar to grant him security and pardon and left Yemen for Baghdad and Yemen came under the control of Dinar bin Abdullah.

The Death of Tahir bin Husain the Governor of Khorasan

Having arrived in Khorasan, he easily succeeded in establishing his government and authority and he put an end to all the disturbances there. It is a fact that he was the best choice for the governorship of Khorasan. As mentioned above, Tahir was not satisfied with Mamoon. He could have possibly avoided Mamoon and captured a vast territory in order to protect him from coming into his grip. He had seen the end of Fadal bin Sahal and the Barmuks and had read about Abu Muslim Khorasani. He also knew Mamoon's view about him, which he had gathered from Husain Nadeem. In brief in Jumad-al-Thani 207 A.H., Tahir made a sermon on Friday at the Central Mosque in which he neither named Caliph Mamoon Rasheed nor did he offer prayers for him. He simply prayed for the correction of the community and stepped down from the pulpit.

Kulthum bin Thabit, an agent of the caliph was present there and he at once sent the information to Mamoon in Baghdad. When Mamoon read the report, he sent for the Prime Minister, informed him of the events and instructed him to leave with the army for Khorasan without any delay. He said to him, "As you stand surety, you should go to Khorasan and save it from his mischief and bring back Tahir as a captive." Ahmad bin Abi Khalid prepared for departure. The next day another report arrived that Tahir had fallen ill on Friday and suddenly died on Saturday. The slave who was given to Tahir on the occasion of his appointment to the rank of governor probably poisoned him when he found out Tahir's negative intention about Mamoon.

Upon hearing the news of Tahir's death, Mamoon Rasheed said, "All praise is due to Allah who caused his death before mine." Then he made his son Talha bin Tahir governor of Khorasan and sent Ahmad bin Abi Khalid to Khorasan to establish Talha bin Tahir firmly there so that there might not be any possibility of rebellion and disobedience there. It was a trademark of Mamoon that he would penalize a rebel or revolutionary and nothing ever stopped him from destroying him but he never harmed the guilty party's family and relatives. He usually would endear himself to them even more by serving them. Ahmad bin Abi Khalid went to Khorasan and Mawaraunnahr and punished the insurgents. When he was informed that Tahir's brother Husain bin Husain bin Mus'ab rebelled in Kerman he went there, arrested him and presented him to Mamoon. Mamoon excused him. When Ahmad bin Abi Khalid was returning from Khorasan to the capital Baghdad. Talha bin Tahir presented to him 3,000,000 dirhams in cash and goods worth 100,000 dirhams as gift. He gave Ahmed's clerk 500,000 dirhams.

The same year Mamoon removed Isa bin Yazid Jaludi and assigned Dawood bin Manjoor commander of the expedition to Zutt and put the territories of Basra, Dajlah, Yamama and Bahrain under his control. He made Mohammad bin Hafiz the ruler of Tabristan. The same year the tribe of Banu Shaiban revolted against Mamoon. Mamoon sent Syed bin Anas to punish and discipline them. The clash with Banu Shaiban took place at Waskarah and they were defeated.

The same year Mamoon Rasheed sent Mohammad bin Jafar Amri as ambassador to Nasr bin Sheeth who had been continuously suffering defeat at the hands of Abdullah bin Tahir, who persuaded him to obey. Nasr bin Sheeth said, "I am ready to reconcile with Mamoon Rasheed provided I should not be forced to go to his court." He came to Mamoon and conveyed Nasr's condition. Mamoon swore that he would not rest until he forced Nasr to present himself in his court. Nasr said to his companions who were all Arabs, "How can Mamoon Rasheed, who failed to subdue the toads of the Zutt community, get the better of us?" He then geared up to give him a tougher fight than before.

The Insurrection in Africa

North Africa, this province included central Tunis and Qairwan situated between Egypt and Morocco, was given to Ibrahim bin Aghlab in 184 A.H. on lease for 40,000 dinars as tax annually during Haroon Rasheed's regime. He ruled over Africa very efficiently. In Mamoon Rasheed's regime the ruler of North Africa was Ibrahim's son Zeyadatullah bin Ibrahim bin Aghlab. In 208 A.H., there was a revolt in Tunis, which was engineered by Mansoor bin Naseer. Mansoor bin Naseer captured most parts of Tunis and besieged Zeyadatullah in the capital Qairwan. Zeyadatullah defeated and forced Mansoor bin Naseer to flee but Mansoor rallied his forces again and came to fight and the tug of war continued from 208 A.H. to 211 A.H. At last, Mansoor bin Naseer was killed by one of his own men and Zeyadatullah ruled over Africa easily.

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