History of Iran reelection was hotly disputed and marred by large protests that formed the "greatest domestic challenge" to the leadership of the Islamic Republic "in 30 years". The resulting social unrest is widely known as the Iranian Green Movement. Reformist opponent Mir-Hossein Mousavi and his supporters alleged voting irregularities and by 1 July 2009, 1000 people had been arrested and 20 killed in street demonstrations. Supreme Leader Ali Khamenei and other Islamic officials blamed foreign powers for fomenting the protest. On 15 June 2013, Hassan Rouhani won the presidential election in Iran, with a total number of 36,704,156 ballots cast; Rouhani won
2009 Mir-Hossein Mousavi presidential campaign been receiving discouraging messages from "the higher officials", a hint possibly at the Supreme Leader Ali Khamenei and/or the then President Akbar Hashemi Rafsanjani. Mousavi was considered as one of the possible candidates of the reformist alliance to run in the Iranian Presidential election, 2005. However he officially turned down the invitation of a number of parties in the reformist alliance on October 12, 2004, after a meeting with President Mohammad Khatami and the two other high-ranking members of the Association of Combatant Clerics, Mehdi Karroubi and Mohammad Mousavi-Khoiniha. Mousavi ran as an independent Principled Reformist candidate. Although he is