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".
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