ess coup d'état and assumed vast executive powers.
Musharraf ruled Pakistan as head of state from 1999 to 2001 and as President from 2001 to 2008, a period of extensive economic reform and Pakistan's involvement in the US-led war on terrorism. On 15 November 2007, Pakistan's National Assembly became the first to completed its full five-year term, and new elections were called. After the assassination of Benazir Bhutto in December 2007, her Pakistan Peoples Party (PPP) won the largest number of seats in the 2008 elections, and party member Yousaf Raza Gillani was sworn in as Prime Minister. Musharraf resigned from the presidency on 18 August 2008 when threatened with impeachment, and was succeeded by Asif Ali Zardari, the current President. Gillani was disqualified from membership of parliament and as prime minister by the Supreme Court of Pakistan in June 2012. By its own estimates, Pakistan's involvement in the war on terrorism has cost up to $67.93 billion, thousands of casualties and nearly 3 million displaced civilians
