Section: CrisisDB / US Political Violence Database
🇺🇸 US Political Violence Database
(Paginated Mode)
Collection of historical records of violent incidents in the United States, spanning from 1782 to the present day. The dataset is categorized by date, incident type, subtypes, casualties, geographical location of the violence, documented fatalities, and the authoritative sources from which this data is derived. Additionally, each entry includes a detailed narrative describing the specific circumstances surrounding the violent incident.
This dataset is still a work in progress, especially for the 2010–2025 period. Suggestions for missing events are welcome. Please contact us at seshatghd@gmail.com.
For the explanation of the methodology underlying this data collection, see:
Turchin, P. 2012. Dynamics of Political Instability in the United States, 1780–2010. Journal of Peace Research 4:577-591.
Metadata:

Term Definition
Riot A group (12 or more people) attempting to impose their will through the use of lethal force outside the normal bounds of law (“group on group”)
Lynching A group of people killing one or few persons (“group on individual”)
Terrorism One or few people attempting to kill many members of a certain social category: racial, ethnic, government, school, business, society as a whole (“individual on group”)
Assassination One or few people killing another individual belonging to a certain social category (“individual on individual”)
Contributors: Peter, Jakob, Majid
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# Date Type Subtype(s)   Location(s) Fatalities Source(s) Narrative Edit
201 2013 May, 1st Terrorism   Texas (TX), Concho 2   Reuters   📰
202 2013 May, 1st Terrorism Religious   Florida (FL), Orlando 1   Reuters   📰
203 2013 May, 1st Assassination Political   Kentucky (KY) 1   Reuters   📰
204 2013 Apr, 1st Terrorism   Massachusetts (MA), Boston 5   Boston Globe   📰
205 2013 Mar, 1st Terrorism   New York (NY), Herkimer 5   Reuters   📰
206 2013 Mar, 1st Terrorism   Virginia (VA), Quantico 3   Reuters   📰
207 2013 Mar, 1st Terrorism Political   Texas (TX), Austin 3   Reuters   📰
208 2013 Feb, 1st Terrorism Political   California (CA), Los Angeles 5   Reuters   📰
209 2013 Feb, 1st Terrorism Education   California (CA), Orange 4   AP: The Associated Press   📰
210 2012 Dec, 14th Terrorism School   Connecticut (CT), Newtown 27   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA   📰
211 2012 Dec, 1st Terrorism Indiscriminate   Pennsylvania (PA), Frankstown 4   Reuters   📰
212 2012 Dec, 1st Terrorism Indiscriminate   New York (NY), Webster 4   The New York Times   📰
213 2012 Dec, 1st Terrorism   Oregon (OR), Clackamas 3   Reuters   📰
214 2012 Dec, 1st Terrorism Hospital   Alabama (AL), Birmingham 1   CBS: CBS Broadcasting Inc.   📰
215 2012 Nov, 1st Terrorism Work   California (CA), Fresno 3   AP: The Associated Press   📰
216 2012 Oct, 1st Terrorism Work   Minnesota (MN), Minneapolis 5   Los Angeles Times   📰
217 2012 Sep, 27th Terrorism Work   Minnesota (MN), Minneapolis 6   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA   📰
218 2012 Aug, 5th Terrorism Ethnic   Wisconsin (WI), Oak Creek 7   Reuters   📰
219 2012 Aug, 1st Terrorism   Texas (TX), College Station 3   SAE: San Antonio Express News   📰
220 2012 Jul, 20th Terrorism   Colorado (CO), Denver 12   Reuters   📰
221 2012 Jul, 1st Terrorism   Florida (FL), Miami 7   Reuters   📰
222 2012 May, 30th Terrorism   Washington (WA), Seattle 5   Reuters   📰
223 2012 Apr, 2nd Terrorism Education   California (CA), Oakland 7   Reuters   📰
224 2012 Apr, 1st Terrorism Race   Oklahoma (OK), Oklahoma City 3   Reuters   📰
225 2012 Mar, 1st Terrorism   Pennsylvania (PA), Pittsburgh 2   Reuters   📰
226 2012 Mar, 1st Terrorism Education   Florida (FL), Miami 2   Reuters   📰
227 2012 Mar, 1st Terrorism Political   Texas (TX), Houston 1   Reuters   📰
228 2012 Feb, 1st Terrorism Education   Ohio (OH), Chardon 3   The New York Times   📰
229 2012 Feb, 1st Terrorism Work   California (CA), Los Angeles 1   Reuters   📰
230 2012 Jan, 1st Terrorism Work   North Carolina (NC), Star 4   Reuters   📰
231 2012 Jan, 1st Terrorism Unknown (?)   Utah (UT), Ogden 1   AP: The Associated Press   📰
232 2012 Jan, 1st Terrorism   Washington (WA), Mount Rainier 1   Reuters   📰
233 2011 Dec, 1st Terrorism Political   Texas (TX), San Antonio 2   Reuters   📰
234 2011 Dec, 1st Terrorism Political   Virginia (VA), Blacksburg 2   Reuters   📰
235 2011 Dec, 1st Terrorism   California (CA), Los Angeles 1   Reuters   📰
236 2011 Oct, 12th Terrorism Family   California (CA), Seal Beach 8   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA   📰
237 2011 Oct, 1st Terrorism Family (?)   California (CA), Seal Beach 8   Reuters   📰
238 2011 Oct, 1st Assassination Unknown (?)   New Jersey (NJ), Lakewood 1   The New York Times   📰
239 2011 Sep, 1st Terrorism Political   Nevada (NV), Carson City 5   AP: The Associated Press   📰
240 2011 Feb, 11th Terrorism   New York (NY), New York City 4   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA   📰
241 2011 Feb, 1st Unknown   California (CA), Placerville 1   The New York Times   📰
242 2011 Jan, 8th Terrorism Political   Arizona (AZ), Tucson 6   The New York Times   📰
243 2011 Jan, 1st Terrorism Ethnic   California (CA) / Oregon (OR) / Washington (WA) 4   SPLC: Southern Poverty Law Center   📰
244 2011 Jan, 1st Terrorism Work   California (CA), Cupertino 4   Reuters   📰
245 2010 Dec, 1st Terrorism Political   Florida (FL), Panama City 1   The New York Times   📰
246 2010 Nov, 1st Terrorism Education   Michigan (MI), Menominee 1   The New York Times   📰
247 2010 Sep, 11th Terrorism   Kentucky (KY), Jackson 5   TVPDB: The Violence Project database of mass shootings in the United States (Version 7)   📰
248 2010 Sep, 1st Terrorism Political   Maryland (MD), Silver Springs 1   Reuters   📰
249 2010 Aug, 3rd Terrorism Work   Connecticut (CT), Manchester 9     📰
250 2010 Jul, 1st Terrorism Work   New Mexico (NM), Albuquerque 3   The New York Times   📰
251 2010 Jul, 1st Assassination Political   Pennsylvania (PA), Carlisle 1   Pennlive.Com   📰
252 2010 Jun, 6th Terrorism   Florida (FL), Hialeah 4   TVPDB: The Violence Project database of mass shootings in the United States (Version 7)   📰
253 2010 May, 1st Terrorism Political   Arkansas (AR), West Memphis 4   The New York Times   📰
254 2010 May, 1st Terrorism Religion   Florida (FL), Jacksonville 1   SPLC: Southern Poverty Law Center   📰
255 2010 Apr, 3rd Terrorism   California (CA), North Hollywood 4   TVPDB: The Violence Project database of mass shootings in the United States (Version 7)   📰
256 2010 Mar, 1st Terrorism Education   Ohio (OH), Columbus 2   AP: The Associated Press   📰
257 2010 Mar, 1st Terrorism Political   Washington (WA), Washington, D.C., District of Columbia 1   The New York Times   📰
258 2010 Feb, 1st Terrorism Education   Alabama (AL), Huntsville 3   The New York Times   📰
259 2010 Feb, 1st Terrorism Political   Texas (TX), Austin 2   The New York Times   📰
260 2010 Jan, 1st Terrorism Work   Missouri (MO), St. Louis 4   The New York Times   📰
261 2010 Jan, 1st Terrorism Political   Nevada (NV), Las Vegas 2   The New York Times   📰
262 2010 Jan, 1st Terrorism Work   Georgia (GA), Kennesaw 2   The New York Times   📰
263 2009 Nov, 5th Terrorism Political   Texas (TX), Fort Hood 13   The New York Times   📰
264 2009 Nov, 1st Terrorism Political   Washington (WA), Seattle 5   Seattle Times   📰
265 2009 Nov, 1st Terrorism Work   Florida (FL), Orlando 1   SPT: St. Petersburg Times (Florida)   📰
266 2009 Oct, 1st Insurrection Religion   Michigan (MI), Dearborn 1   The New York Times   📰
267 2009 Oct, 1st Terrorism Political   Washington (WA), Seattle 1   The New York Times   📰
268 2009 Sep, 1st Terrorism   Michigan (MI), Owosso 2   The New York Times   📰
269 2009 Sep, 1st Lynching Political   Kentucky (KY), Manchester 1   AP: The Associated Press   📰
270 2009 Aug, 1st Terrorism Gender   Pennsylvania (PA), Bridgeville 4   The New York Times   📰
271 2009 Jun, 1st Terrorism   South Carolina (SC), Cherokee 6   AP: The Associated Press   📰
272 2009 Jun, 1st Terrorism Political   Washington (WA), Washington, D.C., District of Columbia 1   The New York Times   📰
273 2009 Jun, 1st Terrorism Political   Arkansas (AR), Little Rock 1   The New York Times   📰
274 2009 May, 1st Assassination Extralegal   Kansas (KS), Wichita 1   The New York Times   📰
275 2009 Apr, 5th Terrorism Political   Pennsylvania (PA), Pittsburgh 3   The New York Times   📰
276 2009 Apr, 3rd Terrorism Political   New York (NY), Binghamton 14   The New York Times   📰
277 2009 Apr, 1st Terrorism Family   Washington (WA), Graham 6   The New York Times   📰
278 2009 Apr, 1st Terrorism Education   Georgia (GA), Athens 3   The New York Times   📰
279 2009 Apr, 1st Terrorism Political   Pennsylvania (PA), Pittsburgh 3   The New York Times   📰
280 2009 Apr, 1st Terrorism Work   California (CA), Temecula 1   Los Angeles Times   📰
281 2009 Mar, 29th Terrorism   North Carolina (NC), Carthage 8   The New York Times   📰
282 2009 Mar, 1st Terrorism Work   Alabama (AL), Geneva 11   The New York Times   📰
283 2009 Mar, 1st Terrorism Political   California (CA), Oakland 5   The New York Times   📰
284 2009 Mar, 1st Terrorism Work   California (CA), Anaheim 3   The New York Times   📰
285 2009 Mar, 1st Terrorism Religion   Illinois (IL), Maryville 1   The New York Times   📰
286 2009 Feb, 1st Terrorism Work   New York (NY), Canandaigua 4   The New York Times   📰
287 2009 Jan, 1st Terrorism Race   Massachusetts (MA), Brocton 2   Usa Today   📰
288 2009 Jan, 1st Terrorism   Florida (FL), Miami 2   AP: The Associated Press   📰
289 2008 Dec, 1st Terrorism   California (CA), Los Angeles 10   The New York Times   📰
290 2008 Dec, 1st Riot Ethnic   New York (NY), Brooklyn 1   The New York Times   📰
291 2008 Nov, 1st Riot Ethnic   New York (NY), Patchogue 1   The New York Times   📰
292 2008 Sep, 2nd Terrorism   Washington (WA), Alger 6   The New York Times   📰
293 2008 Aug, 1st Assassination Political   Arkansas (AR), Little Rock 2   The New York Times   📰
294 2008 Jul, 1st Terrorism Political   Tennessee (TN), Knoxville 2   Wikipedia   📰
295 2008 Jul, 1st Assassination Ethnic   Pennsylvania (PA), Shenandoah 1   The New York Times   📰
296 2008 Jun, 25th Terrorism Work   Kentucky (KY), Henderson 6   Wikipedia   📰
297 2008 Jun, 1st Terrorism   Illinois (IL) / Missouri (MO) 8   The New York Times   📰
298 2008 Apr, 1st Terrorism   New Jersey (NJ), Irvington 1   The New York Times   📰
299 2008 Mar, 18th Terrorism   California (CA), Santa Maria 4   TVPDB: The Violence Project database of mass shootings in the United States (Version 7)   📰
300 2008 Feb, 1st Terrorism Education   Illinois (IL), Dekalb 6   The New York Times   📰