Augusto José Ramón Pinochet Ugarte was a Chilean army officer and military dictator who ruled Chile from 1973 to 1990. He led the military junta that overthrew President Salvador Allende in 1973 and established his dictatorship. He was proclaimed President of Chile by the junta in 1974 and served until 1990, when he stepped down to pave the way for democratic elections. Throughout his presidency, thousands of political opponents were tortured or executed. Pinochet is the longest-serving head of state in the history of Chile.