Benazir Bhutto's trip to Tehran in 1995

President Zia died in August 1988 in a mysterious plane crash, leaving a power vacuum at the centre of Pakistani politics. In the ensuing elections, Bhutto’s PPP won the single largest bloc of seats in the National Assembly.On December 1, 1988, Bhutto became the country’s first female prime minister and the head of its first civilian government since the dissolution of her father’s government in 1977.