Baghdad to Isfahan, when Mahmud captured Baghdad. Two years later, Al-Rashid was stabbed and killed by Hashshashins in 1138. The only decorative element of the mausoleum is a stucco Kufic inscription. See also Ahmad ibn Nizam al-Mulk a Persian vizier of his father Al-Mustarshid. References This text is adapted from William Muir's 1924 book The Caliphate: Its Rise, Decline, and Fall, which is in the public domain. 1109 births 1138 deaths 12th-century Abbasid caliphs Assassinated caliphs 12th-century murdered monarchs Dethroned monarchs People of the Nizari–Seljuk wars Victims of the Order of Assassins Sons of Abbasid caliphs Burials in Isfahan