"0842Z"^^ . "Ab\u016B Is\u1E25\u0101q Mu\u1E25ammad ibn H\u0101r\u016Bn al-Rash\u012Bd (Arabic: \u0623\u0628\u0648 \u0625\u0633\u062D\u0627\u0642 \u0639\u0628\u0627\u0633 \u0628\u0646 \u0647\u0627\u0631\u0648\u0646 \u0627\u0644\u0631\u0634\u064A\u062F\u200E; 796 \u2013 5 January 842), better known by his regnal name al-Mu\u02BFta\u1E63im bi\u2019ll\u0101h (\u0627\u0644\u0645\u0639\u062A\u0635\u0645 \u0628\u0627\u0644\u0644\u0647, \"he who seeks refuge in God\"), was the eighth Abbasid caliph, ruling from 833 to his death in 842. A son of Harun al-Rashid, he succeeded his half-brother al-Ma'mun, under whom he had served as a military commander and governor."@en . "al-Mu'tasim"@en . . . "0833Z"^^ . . . . "0794Z"^^ . . "Mu'tasim"@en . "Abbasid caliph" . . . "Abu Ishaq 'Abbas ibn Harun al-Rashid al-Mu'tasim bi'llah"@en . "(\u0627\u0644\u0645\u0639\u062A\u0635\u0645)"@en . "0833Z"^^ .