September 11 attacks

E6490

aircraft hijacking historical event mass murder suicide attack terrorist attack

The September 11 attacks were a series of coordinated terrorist hijackings and suicide attacks carried out by al-Qaeda against targets in the United States in 2001, resulting in massive loss of life and global political and security repercussions.

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Observed surface forms (5)

Surface form	Occurrences
September 11, 2001 attacks	10
September 11, 2001 terrorist attacks	3
2001 World Trade Center attack	1
September 11 attacks were a result of a failure of imagination, policy, capabilities, and management	1
World Trade Center attacks	1

Statements (58)

Predicate	Object
instanceOf	aircraft hijacking ⓘ historical event ⓘ mass murder ⓘ suicide attack ⓘ terrorist attack ⓘ
aircraftUsed	American Airlines Flight 11 ⓘ American Airlines Flight 77 ⓘ United Airlines Flight 175 ⓘ United Airlines Flight 93 ⓘ
airlineInvolved	American Airlines ⓘ United Airlines ⓘ
alsoKnownAs	9/11 ⓘ September 11 attacks ⓘ surface form: September 11, 2001 attacks
claimedBy	Osama bin Laden ⓘ
commemoratedOn	September 11 ⓘ
commemorationName	Patriot Day ⓘ
countryAttacked	United States of America ⓘ surface form: United States
date	2001-09-11 ⓘ
fatalitiesApproximate	nearly 3000 ⓘ
fatalitiesCategory	civilians ⓘ firefighters ⓘ military personnel ⓘ police officers ⓘ
impact	expansion of global counterterrorism measures ⓘ major changes in global aviation security ⓘ
injuriesApproximate	over 6000 ⓘ
intendedTarget	United States Capitol ⓘ White House ⓘ
locationOfImpact	North Tower of the World Trade Center ⓘ Pentagon ⓘ South Tower of the World Trade Center ⓘ field near Shanksville, Pennsylvania ⓘ
memorial	Flight 93 National Memorial ⓘ National September 11 Memorial & Museum ⓘ Pentagon Memorial ⓘ
motive	Islamist extremism ⓘ anti-Americanism ⓘ
notableConsequence	expansion of U.S. intelligence surveillance programs ⓘ intensified airport security screening worldwide ⓘ
numberOfHijackedAircraft	4 ⓘ
numberOfHijackers	19 ⓘ
perpetrator	al-Qaeda ⓘ
planner	Osama bin Laden ⓘ
primaryTarget	Pentagon ⓘ World Trade Center (reconstructed complex) ⓘ surface form: World Trade Center
principalArchitect	Khalid Sheikh Mohammed ⓘ
responsibleOrganizationType	jihadist militant organization ⓘ
result	collapse of the World Trade Center Twin Towers ⓘ partial collapse of World Trade Center 7 ⓘ severe damage to the Pentagon ⓘ
targetedArea	Shanksville, Pennsylvania ⓘ
targetedCity	Arlington, Virginia ⓘ New York City ⓘ
triggeredEvent	War in Afghanistan (2001–2021) ⓘ surface form: United States invasion of Afghanistan Global War on Terrorism ⓘ surface form: War on terror creation of the U.S. Department of Homeland Security ⓘ passage of the USA PATRIOT Act ⓘ
year	2001 ⓘ

Referenced by (85)

Full triples — surface form annotated when it differs from this entity's canonical label.

USA PATRIOT Act → motivatedByEvent → September 11 attacks ⓘ

this entity surface form: September 11, 2001 attacks

al-Qaeda → notableAttack → September 11 attacks ⓘ

Rudy Giuliani → notableEvent → September 11 attacks ⓘ

this entity surface form: September 11, 2001 attacks

South Tower of the World Trade Center → notableEvent → September 11 attacks ⓘ

The New York Times → notableEventCoverage → September 11 attacks ⓘ

George W. Bush → notableEventDuringTerm → September 11 attacks ⓘ

FDNY → notableEventResponse → September 11 attacks ⓘ

this entity surface form: World Trade Center attacks

St. Nicholas Greek Orthodox Church and National Shrine → originalDestroyedInEvent → September 11 attacks ⓘ

American Airlines Flight 11 → partOf → September 11 attacks ⓘ

American Airlines Flight 77 → partOf → September 11 attacks ⓘ

United Airlines Flight 93 → partOf → September 11 attacks ⓘ

Stellar Wind → reasonForInitiation → September 11 attacks ⓘ

St. Nicholas Greek Orthodox Church and National Shrine → rebuiltAfter → September 11 attacks ⓘ

Zuccotti Park → reconstructedAfter → September 11 attacks ⓘ

Public Law 107-306 → relatedEvent → September 11 attacks ⓘ

Authorization for Use of Military Force of 2001 → relatedTo → September 11 attacks ⓘ

killing of Osama bin Laden → relatedTo → September 11 attacks ⓘ

Implementing Recommendations of the 9/11 Commission Act of 2007 → relatedToEvent → September 11 attacks ⓘ

Tom Brokaw → reportedOn → September 11 attacks ⓘ

Osama bin Laden → responsibleFor → September 11 attacks ⓘ

Zero Dark Thirty (2012 film) → setInEvent → September 11 attacks ⓘ

subject surface form: Zero Dark Thirty

Patriot Day → significantEvent → September 11 attacks ⓘ

World Trade Center (reconstructed complex) → significantEvent → September 11 attacks ⓘ

9/11 Commission Report → subject → September 11 attacks ⓘ

Public Law 107-306 → subject → September 11 attacks ⓘ

this entity surface form: September 11, 2001 attacks

The 9/11 Report: A Graphic Adaptation → subject → September 11 attacks ⓘ

The Looming Tower → subject → September 11 attacks ⓘ

Cantor Fitzgerald → sufferedEvent → September 11 attacks ⓘ

this entity surface form: September 11, 2001 attacks

Decision Points → topic → September 11 attacks ⓘ

Intelligence Authorization Act for Fiscal Year 2003 → topic → September 11 attacks ⓘ

this entity surface form: September 11, 2001 attacks

Kean-Hamilton Commission → topic → September 11 attacks ⓘ

GWOT → triggeredBy → September 11 attacks ⓘ

American Airlines Flight 11 → usedIn → September 11 attacks ⓘ

Lawrence Wright → wroteAbout → September 11 attacks ⓘ