Prime ministership of Mir-Hossein Mousavi secret negotiations and dealing with USA on helping them free the American hostages in Lebanon, in return for sale of the American weapons and spare-parts that Iran's army badly needed for Iran–Iraq War. Shortly after the end of Iran–Iraq War on 20 August 1988, Ruhollah Khomeini died, and Ali Khamenei was elected as the new Supreme Leader by the Assembly of Experts. Following his death, Mousavi and his fellow left-wingers lost their main source of support within the establishment. During the parliament hearing on post-war reconstruction plans, Mousavi had heated arguments with Ali Akbar Hashemi Rafsanjani, the speaker of Iran's
Timeline of the 2009 Iranian election protests watched by about 90,000 spectators and for the sixth straight time ended in a tie. The spectators accused the teams of collusion. They also chanted "Ya Hossein, Mir Hossein" in support of the opposition candidate Mir Hossein Mousavi. The Slogans could be heard on State TV. Police had previously warned against any political activity, even cutting off cellphone service in the area, and some people were reportedly arrested. Unrelated to the Tehran derby, 18 students who were part of a pro-democracy movement were arrested in Tehran. The Middle East Studies Association of North America (MESA) wrote a letter to Ayatollah