The Iranian Green Movement or Green Wave of Iran, also referred to as the Persian Awakening or Persian Spring by the western media, refers to a political movement that arose after the June 12, 2009 Iranian presidential election and lasted until early 2010, in which protesters demanded the removal of Mahmoud Ahmadinejad from office. Green was initially used as the symbol of Mir Hossein Mousavi's campaign, but after the election it became the symbol of unity and hope for those asking for annulment of what they regarded as a fraudulent election. Mir Hossein Mousavi and Mehdi Karroubi are recognized as political leaders of the Green Movement. Grand Ayatollah Hossein-Ali Montazeri was also mentioned as spiritual leader of the movement.

Grand Ayatollah Hussein-Ali Montazeri was an Iranian Shia Islamic theologian, Islamic democracy advocate, writer and human rights activist. He was one of the leaders of the Iranian Revolution and one of the highest-ranking authorities in Shīʿite Islam. He was once the designated successor to the revolution's Supreme Leader, Ayatollah Khomeini, but they had a falling-out in 1989 over government policies that Montazeri claimed infringed on people's freedom and denied them their rights, especially after the 1988 mass execution of political prisoners. Montazeri spent his later years in Qom and remained politically influential in Iran, but was placed in house arrest in 1997 for questioning "the unaccountable rule exercised by the supreme leader", Ali Khamenei, who succeeded Khomeini in his stead. He was known as the most knowledgeable senior Islamic scholar in Iran and a grand marja of Shia Islam. Ayatollah Montazeri was said to be one of Khamenei's teachers.