Serious disturbances broke out when he succeeded to the throne on his father’s death in 1848, but these were quelled through the efforts of his chief minister, Mīrzā Taqī Khān. Under Taqī Khān’s influence, Nāṣer al-Dīn began his rule by instituting a series of needed reforms. Taqī Khān, however, was later forced from power by his enemies, who included Nāṣer al-Dīn’s mother, and was disgraced, imprisoned, and finally murdered.