Timeline of the 2009 Iranian election protests the repression and violence which occurred during the election protests. Violent clashes were reported between Iranian police and protesters after a massive protest was held throughout Iran during the Chaharshanbe Suri, over 50 protesters were reported to have been detained. For months prior, large protests had been planned to take place on June 12, the one-year anniversary of the disputed 2009 Iranian Presidential Election. Two days before the planned demonstrations, former presidential candidates and de facto leaders of the Green Movement, Mir-Hossein Mousavi and Mehdi Karroubi canceled the protests scheduled for Saturday "in order to protect people's lives and property".
History of the Islamic Republic of Iran parliament. Despite high turnout and large enthusiastic crowds for reformist opponent Mir-Hossein Mousavi, Ahmadinejad was officially declared to have won by a 2–1 margin against three opponents. Allegations of voting irregularities and protest by Mousavi his supporters were immediate and continued off and on into 2011. Some 36–72 were killed and 4000 arrested. Supreme Leader Ali Khamenei declared Ahmadinejad's victory a "divine assessment" and called for unity. He and others Islamic officials blamed foreign powers for fomenting the protest. However, by late 2010 several sources detected a "growing rift" between Ahmadinejad, and Khamenei and his supporters, with talk of impeachment