9th-century regents

9th-century Byzantine empress, wife of Theophilos

'''Abu Ahmad Ṭalḥa ibn Jaʿfar ibn Muḥammad ibn Hārūn al-Muwaffaq bi'Llah (; 29 November 843 – 2 June 891), better known by his as Al-Muwaffaq Billah' (), was an Abbasid prince and military leader, who acted as the de facto'' regent of the Abbasid Caliphate for most of the reign of his brother, Caliph al-Mu'tamid. His stabilization of the internal political scene after the decade-long "Anarchy at Samarra", his successful defence of Iraq against the Saffarids and the suppression of the Zanj Rebellion restored a measure of the Caliphate's former power and began a period of recovery, which culmina

Frankish Queen

-896

emperor of the Tang Dynasty

Ageltrude or Agiltrude (around 860 – 27 August 923) was the Empress and Queen of Italy as the wife of Guy (reigned 891–894). She was the regent for her son Lambert (reigned 894–898) and actively encouraged him in opposing the Carolingians, and in influencing papal elections in their favour.

Chinese writer and chancellor (787-850)

thumb|250px|Michael III with Theodora and Theoktistos (with the white cap), from the Madrid Skylitzes

Chancellor of Tang Dynasty and historian (735–812)

chancellor under 4 Emperors

Arab Abbasid military commander

Tang Dynasty chancellor

chancellor of Tang Dynasty

Chinese chancellor