"0821Z"^^ . "Emirof theTahirid dynasty"@en . . "Abbasid caliphate general" . "0775Z"^^ . . . "0821Z"^^ . "Tahir ibn Husayn (Persian: \u0637\u0627\u0647\u0631 \u0628\u0646 \u062D\u0633\u06CC\u0646\u200E\u200E, Arabic: \u0637\u0627\u0647\u0631 \u0628\u0646 \u0627\u0644\u062D\u0633\u064A\u0646\u200E), also known as Dhu'l-Yaminayn (Arabic: \u0630\u0648 \u0627\u0644\u064A\u0645\u064A\u0646\u064A\u0646\u200E, \"the ambidextrous\"), and al-A'war (Arabic: \u0627\u0644\u0623\u0639\u0648\u0631\u200E, \"the one-eyed\"), was an Iranian general and governor during the Abbasid caliphate. Specifically, he served under al-Ma'mun during the Fourth Fitna and led the armies that would defeat al-Amin, making al-Ma'mun the caliph. He was then rewarded as governor of Khorasan, which marked the beginning of the Tahirid dynasty."@en . "0822Z"^^ . . . "Tahir ibn Husayn"@en .