Outline of terrorism in the United States

The following outline is provided as an overview of and topical guide to the past and present terrorism in the United States:

Although terrorism has been given several different definitions, it is most commonly defined as the use of violence to achieve political goals.^[1]

Political terrorism has accounted for the majority of attacks in recent decades (a trend that has accelerated in recent years), while Islamist terrorism has accounted for the majority of deaths.^[2]

Designated foreign terrorist organizations by the United States[edit]

Domestic violent extremist organizations[edit]

The following are political extremist groups that have used violence:

Inactive domestic violent extremist organizations[edit]

The following are violent extremist organizations that have been responsible for terrorist attacks on United States soil. These organizations are no longer active.

Domestic terrorist attacks[edit]

The following is a list of terrorist attacks that have happened throughout United States history, which were committed by United States citizens.

May 21, 1856: Sacking of Lawrence
May 24, 1856 – May 25, 1856: Pottawatomie massacre
September 11, 1857: Mountain Meadows massacre
April 14, 1865: Assassination of Abraham Lincoln
October 24, 1871: Chinese massacre
May 4, 1886: Haymarket affair
November 10, 1898: Wilmington insurrection
September 6, 1901: Assassination of William McKinley
October 1, 1910: Los Angeles Times bombing
July 22, 1916: Preparedness Day bombing
May–July 1917: East St. Louis riots
May–October 1919: Red Summer
April–June 1919: U.S. anarchist bombings
September 16, 1920: Wall Street bombing
May 31 – June 1, 1921: burning of Black Wall Street
January, 1923: razing and massacre of Rosewood
May 18, 1927: Bath School Disaster
December 25, 1951: Murder of Harry and Harriette Moore
October 12, 1958: Bombing of the Hebrew Benevolent Congregation Temple
September 15, 1963: 16th Street Baptist Church Bombing
November 22, 1963: Assassination of John F. Kennedy
February 16, 1970: San Francisco Police Department Park Station bombing
May 29, 1970: Oakland pipe bombing
August 24, 1970: Sterling Hall bombing
November 7, 1983: 1983 U.S. Senate bombing
April 19, 1995: Oklahoma City bombing
July 27, 1996: Centennial Olympic Park bombing
October 13, 2000: Firebombing of Temple Beth El (Syracuse)
September 18, 2001 – October 9, 2001: Anthrax attacks
May 2002: Midwest pipe bombings
October 2002: Beltway Sniper Attacks
March 3, 2006: Mohammed Reza Taheri-azar SUV attack
July 28, 2006: Seattle Jewish Federation shooting
July 27, 2008: Knoxville Unitarian Universalist church shooting
May 31, 2009: Assassination of George Tiller
June 1, 2009: Little Rock recruiting office shooting
June 10, 2009: United States Holocaust Memorial Museum shooting
November 5, 2009: Fort Hood shooting
February 18, 2010: Austin suicide attack
September 1, 2010: Discovery Communications headquarters hostage crisis
August 5, 2012: Wisconsin Sikh temple shooting
April 15, 2013: Boston Marathon bombing
June 8, 2014: Las Vegas shootings
September 12, 2014: Pennsylvania State Police barracks attack
October 23, 2014: Queens hatchet attack
June 17, 2015: Charleston church shooting
November 27, 2015: Colorado Springs Planned Parenthood shooting
December 2, 2015: San Bernardino attack
June 12, 2016: Orlando nightclub shooting
September 17–19, 2016: New York and New Jersey bombings
November 28, 2016: Ohio State University attack
April 18, 2017: Fresno shootings
May 26, 2017: Portland train attack
June 14, 2017: Congressional baseball shooting
August 12, 2017: Charlottesville car attack
September 24, 2017: Burnette Chapel shooting
October 31, 2017: New York City truck attack
August 3, 2019: El Paso shooting
January 6, 2021: January 6 United States Capitol attack
January 15, 2022: Colleyville synagogue hostage crisis

Foreign terrorist attacks[edit]

The following are terrorist attacks that have occurred throughout United States history, which have been committed by foreign organizations and individuals.

July 30, 1916: Black Tom explosion
December 29, 1975: LaGuardia Airport Christmas Bomb
August 29 – October 10, 1984: 1984 Rajneeshee bioterror attack
January 25, 1993: CIA Shooting – Mir Qazi
February 26, 1993: First World Trade Center bombing
February 23, 1997: Empire State Building shooting
September 11, 2001: September 11, 2001 attacks
July 4, 2002: 2002 Los Angeles Airport shooting
May 3, 2015: Curtis Culwell Center attack
December 2, 2015: 2015 San Bernardino attack
June 12, 2016: Orlando nightclub shooting
September 17, 2016: 2016 St. Cloud, Minnesota knife attack
October 31, 2017: 2017 New York City truck attack
December 6, 2019: Naval Air Station Pensacola shooting

Politically violent individuals[edit]

The following are individuals that have posed threats to United States security in the past, or have been involved in terrorist attacks.

Worldviews within terrorism[edit]

The following are common worldviews that have motivated political activists to utilize violence.

Methods used in terrorism[edit]

The following is a list of techniques that have been utilized by politically violent individuals in terrorist attacks.

United States counter-terrorism organizations[edit]

The following is a list of federal organizations in the United States that combat terrorism according to The U.S. Department of State's website.^[3]

US Department of State[edit]

Department of Defense[edit]

Department of the Treasury[edit]

Department of Justice[edit]

Department of Homeland Security[edit]

Other agencies[edit]

The following are other United States counter-terrorism agencies according to various sources.

References[edit]

^ Terrorism. Retrieved November 30, 2011 from Dictionary.com: http://dictionary.reference.com/browse/terrorism
^ "The Escalating Terrorism Problem in the United States".
^ U.S. Counterterrorism Team. Retrieved December 1, 2011 from U.S. Department of State
^ National Counterterrorism Center. Retrieved December 4, 2011 from: National Counterterrorism Center: http://www.nctc.gov Archived 2017-03-11 at the Wayback Machine

[1] Terrorism. Retrieved November 30, 2011 from Dictionary.com: http://dictionary.reference.com/browse/terrorism

[2] "The Escalating Terrorism Problem in the United States".

[3] U.S. Counterterrorism Team. Retrieved December 1, 2011 from U.S. Department of State

[4] National Counterterrorism Center. Retrieved December 4, 2011 from: National Counterterrorism Center: http://www.nctc.gov Archived 2017-03-11 at the Wayback Machine

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