10th century in Iraq

Abu al-Qasim Abd Allah ibn Ali (11 November 908 – September/October 949), commonly known by his regnal name al-Mustakfi, was the Abbasid caliph in Baghdad from 944 to 946.

Abū ʾl-Qāsim al-Faḍl ibn al-Muqtadir (913/14 – September/October 974), better known by his regnal name of al-Muṭīʿ li-ʾllāh (), was the Abbasid caliph in Baghdad from 946 to 974, ruling under the tutelage of the Buyid emirs.

Abu Bakr ʿAbd al-Karīm ibn al-Faḍl (; 932 – 3 August 1003), better known by his regnal name al-Ṭāʾiʿ liʾllāh/biʾllāh (), was the Abbasid caliph of Baghdad from 974 to his deposition in 991. He was in office during the domination of Iraq by the Shi'a Buyid dynasty, and as a result is generally considered a powerless figurehead under the thumb of the Buyid emirs. His tenure was also marked by strife between rival Buyid rulers and the frequent change of hands of Baghdad: al-Ta'i' himself was raised to the throne by a rebel Turkic general, Sabuktakin, who deposed al-Ta'i's father, al-Muti'. During

'''Abu'l-Abbas Ahmad ibn Ishaq (; 28 September 947 – 29 November 1031), better known by his regnal name al-Qadir''' (, , ), was the Abbasid caliph in Baghdad from 991 to 1031.

large-scale raid by the Qarmatians of Bahrayn against the Abbasid Caliphate

923 sack

Sabuktakin or Sübüktegin was a Turkic commander in the service of the Buyid dynasty. His power was such that he defied the Buyid ruler Bakhtiyar Izz al-Dawla, and even rose in revolt against him in 974, seizing control of Baghdad and threatening to overthrow Buyid rule in Iraq completely. His career was cut short by his own death in late 974. His successor, Alptakin, was defeated by the Buyids and fled to Damascus, where he eventually joined the Fatimids.

Kitab al-Hawi or Al-Hawi or Kitāb al-Ḥāwī fī al-ṭibb translated as The Comprehensive Book on Medicine is an extensive medical encyclopedia authored by the Persian polymath Abu Bakr Muhammad ibn Zakariya al-Razi (865–925), commonly known in the West as Rhazes in the 10th century. This monumental work is a compendium of Greek, Syrian, and early Arabic medical knowledge, as well as some Indian medical practices.

Buyid Vizier

abbasid chief Qadi (qadi al-qudat) from 973/4 to 975