Terrorism. Definition of terrorism, Lone wolf (terrorism), State-sponsored terrorism, State terrorism, Terrorist financing, Tactics of terrorism, Counter-terrorism, History of terrorism, International conventions on terrorism, Anti-terrorism legislation, War on Terrorism, Communist terrorism, Eco-terrorism, Nationalist terrorism, Religious terrorism, Abu Sayyaf, Al-Aqsa Martyrs' Brigades, Al Ghurabaa, Al-Qaeda, Ansar al-Islam, Jamaat Ansar al-Sunna, Armed Islamic Group, Aum Shinrikyo, Babbar Khalsa, ETA, Egyptian Islamic Jihad, Balochistan Liberation Army, Continuity Irish Republican Army, Great Eastern Islamic Raiders' Front, Hamas, Hezb-e-Islami Gulbuddin, Jemaah Islamiyah, Lashkar-e-Taiba, People's Mujahedin of Iran, Takfir wal-Hijra, Taliban, Students Islamic Movement of India, United Liberation Front of Asom, United Self-Defense Forces of Colombia, Bioterrorism, Car bomb, Aircraft hijacking, Nuclear terrorism, Propaganda of the deed, Suicide attack, United States and state terrorism, Pakistan and state terrorism, Iran and state terrorism, 2008 Mumbai attacks, 2009 Lahore attack on Sri Lankan cricket team, USA PATRIOT Act