2021 United States Capitol attack

E180523

attack domestic terrorism incident insurrection politically motivated violence riot

The 2021 United States Capitol attack was a violent breach of the U.S. Capitol by supporters of President Donald Trump seeking to disrupt the certification of the 2020 presidential election results.

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All labels observed (7)

Label	Occurrences
January 6 United States Capitol attack	5
2021 United States Capitol attack canonical	3
January 6, 2021 attack on the U.S. Capitol	2
January 6, 2021 attack on the United States Capitol	2
January 6 attack on the United States Capitol	1
January 6, 2021 United States Capitol attack	1
January 6, 2021 protest in Washington, D.C.	1

How this entity was disambiguated

This entity first appeared as the object of triple T1587476 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: 2021 United States Capitol attack
Context triple: [United States Capitol Complex, hasSecurityEvent, 2021 United States Capitol attack]

A. 1954 United States Capitol shooting
The 1954 United States Capitol shooting was an armed attack by Puerto Rican nationalists on the U.S. House of Representatives, carried out to draw attention to the cause of Puerto Rican independence.
B. Centennial Olympic Park bombing
The Centennial Olympic Park bombing was a domestic terrorist attack during the 1996 Atlanta Olympics in which a pipe bomb exploded in a public gathering area, killing two people and injuring over a hundred others.
C. Wilmington insurrection of 1898
The Wilmington insurrection of 1898 was a violent white supremacist coup in Wilmington, North Carolina, in which elected Black and biracial city leaders were overthrown, Black residents were terrorized and killed, and a democratically elected government was replaced by white Democrats.
D. Watertown, Massachusetts shootout
The Watertown, Massachusetts shootout was the intense armed confrontation in April 2013 between law enforcement and the Boston Marathon bombing suspects that led to one suspect’s death and the manhunt’s dramatic conclusion.
E. Waco siege
The Waco siege was a 1993 law enforcement standoff in Texas between U.S. federal agencies and the Branch Davidians religious sect that ended in a deadly fire and remains one of the most controversial operations in modern American policing.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: 2021 United States Capitol attack
Target entity description: The 2021 United States Capitol attack was a violent breach of the U.S. Capitol by supporters of President Donald Trump seeking to disrupt the certification of the 2020 presidential election results.

A. 1954 United States Capitol shooting
The 1954 United States Capitol shooting was an armed attack by Puerto Rican nationalists on the U.S. House of Representatives, carried out to draw attention to the cause of Puerto Rican independence.
B. Centennial Olympic Park bombing
The Centennial Olympic Park bombing was a domestic terrorist attack during the 1996 Atlanta Olympics in which a pipe bomb exploded in a public gathering area, killing two people and injuring over a hundred others.
C. Wilmington insurrection of 1898
The Wilmington insurrection of 1898 was a violent white supremacist coup in Wilmington, North Carolina, in which elected Black and biracial city leaders were overthrown, Black residents were terrorized and killed, and a democratically elected government was replaced by white Democrats.
D. Watertown, Massachusetts shootout
The Watertown, Massachusetts shootout was the intense armed confrontation in April 2013 between law enforcement and the Boston Marathon bombing suspects that led to one suspect’s death and the manhunt’s dramatic conclusion.
E. Waco siege
The Waco siege was a 1993 law enforcement standoff in Texas between U.S. federal agencies and the Branch Davidians religious sect that ended in a deadly fire and remains one of the most controversial operations in modern American policing.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	attack ⓘ domestic terrorism incident ⓘ insurrection ⓘ politically motivated violence ⓘ riot ⓘ
aimedAt	disrupting the certification of the 2020 United States presidential election results ⓘ stopping the counting of Electoral College votes ⓘ
alsoKnownAs	January 6 Capitol riot ⓘ January 6 attack on the United States Capitol ⓘ linked to: 2021 United States Capitol attack
country	United States of America ⓘ
date	2021-01-06 ⓘ
followedBy	creation of the United States House Select Committee on the January 6 Attack ⓘ hundreds of arrests and prosecutions ⓘ large-scale federal criminal investigation ⓘ second impeachment of Donald Trump ⓘ
hasCause	efforts to overturn the 2020 United States presidential election results ⓘ false claims of widespread voter fraud in the 2020 United States presidential election ⓘ
hasConsequence	corporate and political backlash against individuals and groups involved ⓘ heightened security measures at the United States Capitol ⓘ increased fencing and National Guard deployment in Washington, D.C. ⓘ renewed debate over domestic extremism in the United States ⓘ
legalClassification	domestic terrorism (as described by multiple U.S. officials) ⓘ
location	United States Capitol ⓘ Washington, D.C. ⓘ
mediaCoverage	extensive live coverage by U.S. and international news outlets ⓘ
opposedBy	District of Columbia Metropolitan Police Department ⓘ linked to: Metropolitan Police Department of the District of Columbia United States Capitol Police ⓘ federal law enforcement agencies ⓘ
partOf	attempts to overturn the 2020 United States presidential election ⓘ
perpetratorDescription	participants including far-right groups and extremists ⓘ supporters of President Donald Trump ⓘ
relatedTo	2020 United States presidential election ⓘ Electoral Count Act procedures ⓘ Stop the Steal movement ⓘ
result	delayed but completed certification of the 2020 presidential election results ⓘ extensive property damage at the United States Capitol ⓘ hundreds of injuries ⓘ multiple deaths ⓘ
significantEvent	assaults on law enforcement officers ⓘ breach of the United States Capitol building ⓘ evacuation of members of the United States Congress ⓘ temporary halt of the joint session of Congress ⓘ vandalism and looting inside the Capitol ⓘ
timeOfDay	afternoon of January 6, 2021 ⓘ
triggeredBy	rally near the White House on January 6, 2021 ⓘ speech by President Donald Trump on January 6, 2021 ⓘ
victim	United States Capitol Police ⓘ congressional staff ⓘ members of the United States Congress ⓘ

How these facts were elicited