María Estela Martínez Cartas

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Isabel Perón, in full Isabel Martínez de Perón, née María Estela Martínez Cartas, (born February 4, 1931, La Rioja, Argentina), Argentine politician who served as president of Argentina in 1974-76, the world's first woman president. She was the third wife of President Juan Perón and served as vice president (1973-74) in his administration.