Sultan Ali Keshtmand torture and long imprisonment. He remained in prison and was sentenced to death, but this decision was revoked and he was resentenced to 15 years in prison. On December 1979, the Soviet Union invaded Afghanistan, bringing Babrak Karmal and the Parcham faction to power. Keshtmand was released from jail, and was once again joined the Politburo. Friction among the People's Party members rose in 1980 when Karmal removed Assadullah Sarwari from his position as First Deputy Chairman of the Council of Ministers and replaced him with Sultan Ali Keshtmand. Keshtmand, a Parchami, soon became one of the most important leaders
Prime Minister of Iran rarely used. The prime minister was usually called by the honorific title "hazrat-e ashraf". Reza Khan Sardar Sepah became the last prime minister of the Qajar dynasty in 1923. For a list of Iranian 'prime ministers' prior to 1907 see List of Premiers of Iran (1699-1907). In 1925, Reza Shah became Shah of Iran. He installed Mohammad-Ali Foroughi as the prime minister. In 1941 his son Mohammad Reza Pahlavi became Shah. He installed Mohammad-Ali Foroughi as the prime minister too. In 1951, Mohammed Mosaddeq became Prime Minister but was overthrown in a counter coup d'état in 1953. Amir-Abbas Hoveyda became