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 Iranian presidential election fact that this was the capital of Mousavi's home province, Eastern Azerbaijan, where Mousavi's rallies were well attended and which has traditionally given good turnouts for even "minor presidential candidates" who came from the province. Ahmadinejad also won Tehran province by over 50%, but crucially lost to Mousavi in the actual city of Tehran and was also soundly beaten in the affluent suburb of Shemiran to the north of the capital. Statistical analyses of the official election results were published in "Journal of Applied Statistics", an online note, in blogs and in "The Washington Post". Clashes broke out between police