Taliban - Wikipedia, the free encyclopediaAfter the attacks of September 11, 2001 the Taliban were overthrown by Operation Enduring Freedom. Later it regrouped as an insurgency movement to fight the Islamic Republic of Afghanistan (established in late 2001) and the NATO-led International Security Assistance Force (ISAF). They use terrorism as a specific tactic to further their ideological and political goals. According to the United Nations, the Taliban and their allies were responsible for 75% of civilian casualties in 2010 and 80% in 2011. Today the Taliban operate in Afghanistan and northwest Pakistan. It is believed one of their current major headquarters is near Quetta in Pakistan.