Abū al-ʿAbbās Abd Allāh ibn Hārūn al-Maʾmūn, better known by his regnal name al-Ma'mun, was the seventh Abbasid caliph, who reigned from 813 until his death in 833. His leadership was marked by the po
Gold dinar of al-Ma'mun, minted in Egypt in 830/1
Silver Dirham of al-Ma'mun. AH 199–218 / AD 813–833. Dirham weight 25mm, 3.19 g, 3h. Medinat Isbahan mint dated AH 205 (820/1 AD)
The populace pays allegiance to the Abbasid caliph, al-Ma'mun in 813. (from the book Tarikh-i Alfi 1593 CE)
The Byzantine embassy of John the Grammarian in 829 to Ma'mun (depicted left) from Theophilos (depicted right)
Abū Jaʿfar Hārūn ibn Muḥammad ar-Rashīd, or simply Hārūn ibn al-Mahdī, famously known as Hārūn al-Rashīd, was the fifth of the Abbasid caliphs, reigning from September 786 until his death in March 809
Al-Ma'mun
…or diplomacy varying during his military campaigns. Abdallah, the future al-Ma'mun, was born in Baghdad on the night of 13 to 14 September 786 CE to Harun al-Rashid and his concubine Marajil, from Badghis. On the same night, which later became known as the "night of the three caliphs", his uncle al-Hadi died and…
Gold dinar of Harun al-Rashid, (184 AH) 800 CE
A silver dirham minted in Madinat al-Salam (Baghdad) in 170 AH (AD 786). At the reverse, the inner marginal inscription says: "By order of the slave of God, Harun, Commander of the Faithful"
Harun al-Rashid, at left, receiving a delegation sent by Charlemagne to his court in Baghdad. 1864 painting by Julius Köckert.
Dinar of Harun 171 AH (AD 787–88), the early years of his reign