Prime ministership of Mir-Hossein Mousavi premiership, ended on the same date. He was the 79th and the last prime minister of Iran, since the constitutional revolution in 1906. Mousavi was not invited to be a participant in the new government headed by Rafsanjani, and disappeared from the public sphere. Prime ministership of Mir-Hossein Mousavi Khamenei was a key figure in the Islamic revolution in Iran and a close confidant of Ayatollah Khomeini. Khomeini appointed Khamenei to the post of Tehran's Friday prayers in the autumn of 1989, after forced resignation of Grand Ayatollah Hossein-Ali Montazeri from the post, when he criticised Khomeini for torture of
Mir-Hossein Mousavi sphere. When Khomeini, the founder of the Islamic Republic, died in 1989, Mousavi was no longer welcome in the government. It was the start of 20 years of an almost total absence from public life for Mousavi, which many considered as a sign of his disapproval of the established government, though he did sit on two high-level government councils. In 1989, Ali Khamenei named him as a member of the Expediency Discernment Council, his membership of which still continues. Mousavi has been a member of the Supreme Council of Cultural Revolution since 1996. He was also the political adviser of