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Terrorism, Definition and History of
Terrorism, in various forms, has been practiced throughout history and across a wide variety of political ideologies. There are as many definitions for the word terrorism as there are methods of executing it; the term means different things to different people, and trying to define or classify terrorism to everyone's satisfaction proves impossible. However, most definitions of terrorism hinge on three factors: the method (violence), the target (civilian or government), and the purpose (to instill fear and force political or social change).
The adoption of terrorist techniques by insurgent groups, especially in the developing world, has led to a perception of terrorism as a natural outgrowth of the anticolonial struggle, merely another weapon of revolutionary guerrillas in their campaigns for independence. This understanding—or, in the eyes of many terrorism experts, misunderstanding—of the term terrorism is also expressed in the old cliché, “One man's terrorist is another man's freedom fighter.”
From another viewpoint, terrorism can also be something a government does to its citizens for a variety of reasons: to maintain political power, to put down struggles of liberation, or to pacify populations after an annexation. Under this rubric, the actions of the former South African regime in defending apartheid and the Argentinean “Dirty War” of the 1970s would qualify as terrorism. Some would even argue that the United States itself conducts terrorist activities against selected targets while attacking other counties for promoting terrorist activities. This form of terrorism, usually called state terrorism, is discussed in an entry under that name. The following is a historical discussion of terrorism in the more traditional understanding of the term—violence against civilian targets with the intent of instilling fear and creating political or social change.
Historical Roots of Terrorism
The word terrorism is an artifact of the French Revolution. The régime de la terreur, which took place from 1793 to 1794, was a systematic attempt to unearth traitors and send them to the guillotine. At first the violence, or terror, had a positive connotation since it was used to punish subversives and other dissidents whom the new regime regarded as enemies of the people. But in time the revolutionary leader Maximilien Robespierre was executed along with the 40,000 others who were guillotined during the régime de la terreur. Soon thereafter, the Englishman Edmund Burke, a vocal critic of the revolution, described the proponents of the revolution as terrorists.
Terrorism as a practice is thought to have begun in first-century Judea, where Jewish men would use a short dagger (sica) to slit the throats of occupying Romans and their collaborators in full view of the public. Sicarri, as these dagger-men were called, would also attack wealthy Jews and kidnap their servants for ransom. The Sicarri were part of a group known as Zealots, who sought to overthrow the Romans. The term Zealot is derived from the name of this movement. Later on in seventh-century India, members of the thuggee cult ritually strangled their victims in an apparent act of sacrifice to the Hindu goddess Kali. (The term thuggee and the modern term thug are derived from the Hindu thag, which referred to highwaymen who made their living by robbery.)
The philosophical antecedents of modern-day terrorism were also formed by the Russian revolutionary Mikhail Bakunin in the middle of the 19th century. In his Principles of Revolution (1869), Bakunin wrote that no other action except terrorism by individuals or small groups could cleanse the Russian soil. Later in 19th-century Russia, the anarchist organization known as Narodnaya Volya, or People's Will, launched a wave of bombings and assassinations. They targeted the czar, the royal family, and other government officials, whom they believed the embodiment of a corrupt regime.
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- Abu Nidal Organization
- Agricultural Terrorist Activities
- Al Fatah
- Al Qaeda
- United States v. Usama Bin Laden et al. Indictment
- United States v. Zacarias Moussaoui Indictment
- Abullah, Abdullah Ahmed
- Aden-Abyan Islamic Army
- Al Qaeda
- Al-'Owhali, Mohamed Rashed
- Al-Adel, Saif
- Al-Liby, Anas
- Al-Mughassil, Ahmad Ibrahim
- Al-Nasser, Abdelkarim Hussein Mohamed
- Al-Yacoub, Ibrahim Salih Mohammed
- Al-Zawahiri, Ayman
- Ali, Ahmed Mohamed Hamed
- Atef, Muhammad
- Atta, Mohamed
- Atwah, Muhsin Musa Matwalli
- Bin Laden, Osama
- East African Embassy Bombings
- El-Hage, Wadih
- Fadhil, Mustafa Mohamed
- Fatwa
- Financing Terrorism
- Ghailani, Ahmed Khalfan
- Jihad
- Militant Islam
- Mohamed, Khalfan Khamis
- Mohammed, Fazul Abdullah
- Mohammed, Khalid Shaikh
- Moussaoui, Zacarias
- Msalam, Fahid Mohammed Ally
- Odeh, Mohamed Sadeek
- Reid, Richard
- September 11 Attacks
- Swedan, Sheikah Ahmed Salim
- Taliban
- Transnational Terrorism
- U.S.S. Cole Bombing
- War on Terrorism
- Yousef, Ramzi Ahmed
- Zubaydah, Abu
- Animal Rights Terrorist Activities
- Antiabortion Terrorist Activities
- Biological Terrorist Activities
- Bombings
- 15 May Organization
- Air India Flight 182 Bombing
- Birmingham Pub Bombings
- Bombings and Bomb Scares
- Canary Wharf Bombing
- Centennial Park Bombing
- Copeland, David
- East African Embassy Bombings
- FALN
- Fraunces Tavern Bombing
- Grand Central Station Bombing
- Khobar Towers Bombing
- King David Hotel Bombing
- La Belle Discotheque Bombing
- La Guardia Airport Bombing
- Metesky, George
- Oklahoma City Bombing
- Omagh Bombing
- Pan Am Flight 103 Bombing
- Puerto Rican Nationalist Terrorism
- Revolutionary People's Struggle
- Riyadh Saudi Arabia Bombing
- Sixteenth Street Baptist Church Bombing
- Statue of Liberty Bombing
- Subway Suicide Bombing Plot
- Tripoli and Benghazi Bombing
- U.S. Embassy Bombing, Beirut
- U.S. Marine Barracks Bombing, Beirut
- U.S.O. Club Bombing
- U.S.S. Cole Bombing
- Unabomber
- Wall Street Bombing
- World Trade Center Bombing (1993)
- Chemical Terrorist Activities
- Embassy Bombing in Beirut, Lebanon, April 1983
- Embassy Bombings in Dar Es Salaam, Tanzania, and Nairobi, Kenya, August 1998
- Environmental Terrorist Activities
- Government Responses to Terrorism
- United States v. Usama bin Laden et al. Indictment (United States)
- United States v. Zacarias Moussaoui Indictment (United States)
- Bureau of Alcohol, Tobacco and Firearms (United States)
- Central Intelligence Agency (United States)
- Counterterrorism
- Delta Force (United States)
- Department of Justice, U.S. (United States)
- Federal Bureau of Investigation (United States)
- Federal Emergency Management Agency (United States)
- FPCON Levels (United States)
- Grenzschutzgruppe 9 (Germany)
- Homeland Security, Office of (United States)
- Mossad (Israel)
- National Security Agency (United States)
- National Security Council (United States)
- Operation Eagle Claw (United States)
- Patriot Act (United States)
- Rewards for Justice (United States)
- Sayeret Matkal (Israel)
- SEAL Team Six (United States)
- Special Air Service Regiment (Great Britain and Australia)
- Special Operations Wing (United States)
- United Nations
- War on Terrorism (United States)
- Wrath of God (Israel)
- Hamas
- Hezbollah
- Hijackings
- Achille Lauro Hijacking
- Abu Nidal Organization
- Hezbollah
- Hijacking
- Palestine Liberation Front–Abu Abbas Faction
- Palestine Liberation Organization
- Pan Am Flight 73 Hijacking
- Popular Front for the Liberation of Palestine
- Stockholm Syndrome
- TWA Flight 355 Hijacking
- TWA Flight 840 Hijacking
- TWA Flight 847 Hijacking
- Hostage Taking/Kidnappings
- Jihad: Concept of Jihad
- Groups
- Khobar Towers Bombing in Dhahran, Saudi Arabia, June 1996
- Lebanon Hostage Crisis
- Marine Barracks Bombing in Beirut, Lebanon, October 1983
- Members of Terrorist Groups, Freelance Terrorists, and Terrorist Supporters
- Abbas, Muhammed “Abu”
- Al-'Owhali, Mohamed Rashed
- Al-Adel, Saif
- Al-Banna, Sabri
- Al-Liby, Anas
- Al-Mughassil, Ahmad Ibrahim
- Al-Nasser, Abdelkarim Hussein Mohamed
- Al-Yacoub, Ibrahim Salih Mohammed
- Al-Zawahiri, Ayman
- Ali, Ahmed Mohamed Hamed
- Arafat, Yasir
- Arocena, Eduardo
- Asahara, Shoko
- Atef, Muhammad
- Atta, Mohamed
- Atwa, Ali
- Atwah Muhsin Musa Matwalli
- Ayyash, Yahya
- Baader, Andreas
- Berenson, Lori
- Bin Laden, Osama
- Boudin, Katherine
- Chesimard, Joanne
- Copeland, David
- Coronado, Rodney
- Dohrn, Bernardine
- El-Hage, Wadih
- El-Hoorie, Ali Saed bin Ali
- Ellerman, Josh
- Ellison, James
- Fadhil, Mustafa Mohamed
- Fadlallah, Sheikh Muhammad Hussein
- Ghailani, Ahmed Khalfan
- Goldstein, Baruch
- Griffin, Michael
- Guevara, Ernesto (Che)
- Guzmán, Abimael
- Habash, George
- Hawetmeh, Najib
- Hearst, Patty
- Hill, Paul
- Hussein, Saddam
- Izz-al-Din, Hasan
- Jibril, Ahmed
- Kahane, Meir
- Kasi, Mir Aimal
- Khaled, Leila
- Kikumura, Yu
- Marighella, Carlos
- Marzook, Musa (Mousa) Mohammed Abu
- Mathews, Robert Jay
- McVeigh, Timothy
- Meinhof, Ulrike
- Metesky, George
- Miller, Frazier Glenn
- Mohamed, Khalfan Khamis
- Mohammed, Fazul Abdullah
- Mohammed, Khalid Shaikh
- Moussaoui, Zacarias
- Msalam, Fahid Mohammed Ally
- Mughniyah, Imad Fayez
- Nasrallah, Sheik Hassan
- Nichols, Terry Lynn
- Nosair, El Sayyid
- Ocalan, Abdullah
- Odeh, Mohamed Sadeek
- Qaddafi, Muammar el-
- Rahman, Omar Abdel
- Rajneesh, Bhagwan Shree
- Reid, Richard
- Ressam, Ahmed
- Rudolph, Eric
- Sánchez, Ilich Ramírez (Carlos the Jackal)
- Scutari, Richard
- Shallah, Ramadan Abdullah
- Shigenobu, Fusako
- Snell, Richard Wayne
- Swedan, Sheikah Ahmed Salim
- Unabomber
- Yasin, Abdul Rahman
- Younis, Fawaz
- Yousef, Ramzi Ahmed
- Zubaydah, Abu
- Methods Used by Terrorists
- Nationalistic and Religious Terrorist Groups
- Central America
- East Asia and Southeast Asia
- Europe
- Baader-Meinhof Gang (West Germany)
- Basque Fatherland and Liberty (Basque region of Spain)
- Basque Separatists (Basque region of Spain)
- First of October Antifascist Resistance Group (Spain)
- German Red Army Faction (Germany)
- Islamic Army for the Liberation of Holy Places
- Kosovo Liberation Army (Kosovo)
- National Liberation Front of Corsica (Corsica)
- Ordine Nuovo (Italy)
- Red Brigades (Brigades Rosse) (Italy)
- Revolutionary Organization 17 November (Greece)
- Revolutionary People's Struggle (Greece)
- Middle East, Central Asia, and South Asia
- 15 May Organization (Palestine, Iraq)
- Abu Nidal Organization (Iraq, Syria, Libya)
- Aden Abyan Islamic Army (Yemen)
- Al 'Asifa (Palestine)
- Al Aqsa Martyrs Brigades (Palestine)
- Al Fatah (Palestine)
- Al Qaeda (Afghanistan, Saudi Arabia, other Middle Eastern countries; North and South America; Europe; Philippines)
- Armenian Secret Army for the Liberation of Armenia (Turkey)
- Democratic Front for the Liberation of Palestine (Palestine)
- Force 17 (Palestine)
- Great Eastern Islamic Raiders' Front (Turkey)
- Grey Wolves (Turkey)
- Hamas (Palestine)
- Harakat ul-Mujahidin (India-Pakistan)
- Hezbollah (Lebanon)
- Hizb-ul-Mujahideen (India-Pakistan)
- Irgun Zvai Leumi (Israel)
- Islamic Movement of Uzbekistan (Uzbekistan)
- Jaish-e-Mohammed (Pakistan)
- Kahane Chai (Israel)
- Kurdistan Workers Party (Turkey)
- Lashkar-e-Tayyiba (India-Pakistan)
- Liberation Tigers of Tamil Eelam (Sri Lanka)
- Mujahedin-e-Khalq Organization (Iran)
- Mujahideen (Afghanistan)
- Palestine Liberation Front–Abu Abbas Faction (Lebanon, Tunisia, Iraq)
- Palestine Liberation Organization (Palestine)
- Palestinian Islamic Jihad (Palestine, Syria)
- Popular Front for the Liberation of Palestine (Palestine)
- Popular Front for the Liberation of Palestine–General Command (Palestine)
- Revolutionary People's Liberation Front (Turkey)
- Sikh Terrorism (India)
- Stern Gang (Israel)
- Taliban (Afghanistan)
- Turkish Hezbollah (Turkey)
- Wrath of God (Israel)
- North America and West Indies
- Black Panther Party (United States)
- El Rukns (United States)
- FALN (Puerto Rico, United States)
- Hanafi Muslim Movement (United States)
- Jamaat ul-Fuqra (United States, Kashmir, Pakistan)
- Jewish Terrorist Groups in the United States (United States)
- Macheteros (Puerto Rico)
- May 19 Communist Organization (United States)
- Omega 7 (Cuba)
- Puerto Rican Nationalist Terrorism (Puerto Rico)
- Symbionese Liberation Army (United States)
- United Freedom Front (United States)
- Weatherman (United States)
- South America
- Lautaro Youth Movement (Chile)
- Manuel Rodriquez Patriotic Front (Chile)
- Movement of the Revolutionary Left (Chile)
- National Liberation Army (Bolivia)
- National Liberation Army (Colombia)
- People's Liberation Army (Colombia)
- Revolutionary Armed Forces of Colombia (Colombia)
- Shining Path (Peru)
- Tupac Amaru Revolutionary Movement (Peru)
- Tupac Katari Guerrilla Army (Bolivia)
- United Self-Defense Forces of Colombia (Colombia)
- United Kingdom
- Al Muhajiroun (United Kingdom)
- Continuity Irish Republican Army (Northern Ireland)
- Irish National Liberation Army (Northern Ireland)
- Irish Republican Army (Northern Ireland)
- Loyalist Volunteer Force (Northern Ireland)
- Orange Volunteers (Northern Ireland)
- Real Irish Republican Army (Northern Ireland)
- Red Hand Defenders (Northern Ireland)
- Ulster Defense Association (Northern Ireland)
- Ulster Freedom Fighters (Northern Ireland)
- Ulster Volunteer Force (Northern Ireland)
- Oklahoma City Federal Building Bombing, April 1995
- Palestine Liberation Front–Abu Abbas Faction
- Right-Wing Militia Movements
- September 11, 2001, Attacks
- Terrorism and the Media
- Theoretical Perspectives on Terrorism
- Anarchism
- April 19
- Asymmetrical Warfare
- Bakunin, Michael
- Fatwa
- Financing Terrorism
- Freedom Fighters
- Freelance Terrorism
- Jihad
- Kropotkin, Peter
- Leaderless Resistance
- Militant Islam
- Persian Gulf War
- State Terrorism
- State-Sponsored Terrorism
- Stockholm Syndrome
- Suicide Bombers
- Terrorism, Definition and History of
- Transnational Terrorism
- United Nations
- War on Terrorism
- White Supremacist Terrorist Activities in the United States
- The Turner Diaries
- Aryan Nations
- Aryan Republican Army
- Covenant, the Sword, and the Arm of the Lord
- Ellison, James
- Fort Smith, Arkansas, Trial
- Ku Klux Klan
- Mathews, Robert Jay
- Miller, Frazier Glenn
- Scutari, Richard
- Sixteenth Street Baptist Church Bombing
- Skinheads
- Snell, Richard Wayne
- The Order
- White Patriot Party
- White Supremacy
- World Trade Center Bombing, February 1993
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