Dec. 27: Former Prime Minister Benazir Bhutto and 20 other people are killed in a suicide bombing and shooting attack in Rawalpindi.
Oct. 18: Suicide bombing aimed at Bhutto kills some 150 people in Karachi during celebrations welcoming her home from self-exile.
July 3-11: An eight-day standoff between security forces and militants inside the compound of the Red Mosque, or Lal Masjid, kills 102 people.