Robert Gabriel Mugabe, Zimbabwe's president has ruled the country since December 31, 1987. He previously served as prime minister from 1980 to 1987. He is the oldest head of state in the world.
Zimbabwe's Robert Mugabe: Decades in Power

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Zimbabwe Prime Minister Robert Mugabe stands in the rubble outside the building which housed the headquarters of the African National Council in central Harare, after it was heavily damaged in a raid by South African commandos, May 19, 1986.

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Robert Mugabe's inauguration ceremony in Harare in 1987.

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Deputy President of the African National Congress Nelson Mandela, center, and Zimbabwe President Robert Mugabe, far right, greet the crowds at the start of the new Zimbabwe public holiday, Mandela Day, March 5, 1990, in Harare.

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Robert Mugabe votes in a 1990 presidential election in Harare, Zimbabwe.
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