Seyyed Ali Hosseini Khamenei (, ; born 19 April 1939) is an Iranian Twelver Shia marja' and politician who has been the second supreme leader of Iran since 1989. He previously served as third president of Iran from 1981 to 1989. Khamenei is the longest-serving head of state in the Middle East, as well as the second-longest-serving Iranian leader of the last century, after Shah Mohammad Reza Pahlavi. Wikipedia
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