. . "al-Maʾmūn, Abū l-ʿAbbās ʿAbd Allāh ibn Hārūn ar-Rašīd (198-218 AH/813-833), Kalif"@de . "al-Maʾmūn, Abū l-ʿAbbās ʿAbd Allāh ibn Hārūn ar-Rašīd (198-218 AH/813-833), caliph"@en . . "al-Maʾmūn, Abū l-ʿAbbās ʿAbd Allāh ibn Hārūn ar-Rašīd (198-218 AH/813-833), Kalif"@de . "al-Maʾmūn, Abū l-ʿAbbās ʿAbd Allāh ibn Hārūn ar-Rašīd (198-218 AH/813-833), caliph"@en . "786"^^ "833"^^ "um 786-09.08.833" . . . . . . . "Münzherr"@de . "Authority"@en . . "Oberherr (ISL)"@de . "Overlord (ISL)"@en . . "designierter Thronfolger des Kalifen"@de . "designated successor to the caliph"@en . . "2024-05-10"^^ . "2024-05-10"^^ .