Prime ministership of Mir-Hossein Mousavi forward Ali Akbar Velayati as his prime minister, but the Iranian parliament did not give him the vote of confidence, and he was defeated with a vote of 80 to 74. Subsequently, Ali Khamenei, though he had strong disagreements with Mousavi, as a compromise with the left-leaning parliament, agreed to offer him, Mousavi, for the post of premier. On 28 October, the parliament approved Mousavi with a vote of 115 to 39. Mousavi became the 79th prime minister of Iran on 31 October 1981, and remained the prime minister of Iran until 3 August 1989, for eight years. The conflicts
Iranian Green Movement a regular presidential election. Former Prime Minister Mir-Hossein Mousavi was the most popular candidate opposed to Ahmadinejad. The election took place on June 12, 2009 and rapidly caused the significant controversy caused by the disagreement between the government and the opposition over the results of the election. Ahmadinejad was considered to be winning in a landslide, but Mousavi and his supporters believed the results were fraudulent. They suggested that the Interior Minister Sadegh Mahsouli, an ally of Ahmadinejad, had interfered with the election and distorted the votes to keep Ahmadinejad in power. Mousavi claimed victory and called for his supporters