On September 11, 1974, Haile Selassie I, the last Emperor of Ethiopia, was deposed after a military coup led by the Derg, a Marxist-Leninist revolutionary group. The coup marked the end of the Ethiopian monarchy and the beginning of the People’s Democratic Republic of Ethiopia, which was ruled by the Derg under Colonel Mengistu Haile Mariam. Haile Selassie, who had ruled Ethiopia for more than 40 years, was arrested and later died under mysterious circumstances in 1975, officially under house arrest. His overthrow is seen as a significant turning point in Ethiopian history, both politically and socially.
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