General Muhammad Zia-ul-Haq (Punjabi, Urdu: محمد ضياء الحق; August 12, 1924 – August 17, 1988), was a general officer who served as the sixth President of Pakistan. He served as president from 1978 until his death in 1988. A Pakistani inquiry found that he was probably murdered. Before he was president, he served as chief martial law administrator from 1977, when martial law had been declared for the third time in the country's history. His reign is regarded as the longest-serving regimes in Pakistan, ruling nine years.