Indira Gandhi
Indira Priyadarshini Gandhi (November 19, 1917 – October 31, 1984) was the prime minister of the Republic of India for three consecutive terms from 1966 to 1977 and for a fourth term from 1980 until her assassination in 1984, a total of fifteen years. She was India's first, and to date only, female prime minister. She was the world's longest serving women Prime Minister.