Muhammad of Khorasan

Abu 'Abdallah Muhammad ibn Tahir ibn 'Abdallah was the last Tahirid governor of Khurasan, from 862 until 873. He was the governor during the period of Extreme instability in Abbasid Caliphate and Civil war of 865–866. His career spanned under four caliphs al-Musta'in, al-Mu'tazz, al-Muhtadi and al-Mu'tamid. He was later appointed as governor of Baghdad by caliph al-Mu'tamid from 885 to 889.