first introduced right-leaning Ali Akbar Velayati to the Majlis as his prime minister, but he was voted down by the then left-leaning majority of the parliament, which then forced their own preferred prime minister to Khamenei, namely Mir-Hossein Mousavi. The dispute finally ended following intervention by the Supreme Leader, Ayatollah Khomeini, who advised the president to accept Mousavi. Mousavi served under the title until 1989, when the constitution was amended to abolish the title of Prime Minister and divide his responsibilities between the president and a newly created title of first Vice President. List of prime ministers See also List of Grand Viziers of Persia History of Iran References Sources For a full list of Viziers of Iran in the last 2000 years, see: "Iranian Viziers: From Bozorgmehr to Amir Kabir" (وزیران ایرانی از بزرگمهر تا امیر کبیر) by Abdolrafi' Haqiqat (عبدالرفیع حقیقت). Perry–Castañeda Library collection DS 271 F34 1995 Mohammad Taghi Bahar, Taarikh-e Mokhtasar-e Ahzaab-e Siaasi-e Iraan (A Short History of Political Parties of Iran), Amirkabir, 1978. Encyclopædia Iranica's entries on "Ala-al-Saltana, Mohammad-Ali" and "Akbar Sepahdar-e Azam, Fathallah" various articles in The Persian Encyclopedia 'Alí Rizā Awsatí (عليرضا اوسطى), Iran in the Past Three Centuries (Irān dar Se Qarn-e Goz̲ashteh - ايران در سه قرن گذشته), Volumes 1 and 2 (Paktāb Publishing - انتشارات پاکتاب, Tehran, Iran, 2003). (Vol. 1), (Vol. 2). Government of Iran