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2001–2021 · Global · War

September 11 and the global War on Terror

Al-Qaeda attacks on September 11, 2001 killed nearly three thousand people in the United States. U.S.-led wars, security legislation and counterterrorism operations followed in Afghanistan, Iraq and far beyond, with profound civilian and political consequences.

Atlas dossier · Digital & Global Age

Free device narration · synchronized English captions · transcript available

Why it matters

The attacks and the responses to them reorganized international law, surveillance, migration, warfare and public life in the twenty-first century.

Date
2001–2021
Historical setting
Digital & Global Age · Global
People & communities
Victims and families · first responders · Afghan and Iraqi civilians · soldiers · journalists · displaced people
01

Event

Al-Qaeda attacks on September 11, 2001 killed nearly three thousand people in the United States. U.S.-led wars, security legislation and counterterrorism operations followed in Afghanistan, Iraq and far beyond, with profound civilian and political consequences.

02

People

Victims and families · first responders · Afghan and Iraqi civilians · soldiers · journalists · displaced people

03

Consequences

The attacks and the responses to them reorganized international law, surveillance, migration, warfare and public life in the twenty-first century.

Interpretation note

Evidence, memory and historical debate

This dossier distinguishes the event’s basic chronology from later arguments about meaning, responsibility and legacy. When comparing religious, national, Indigenous or scholarly interpretations, consult the primary and institutional sources above alongside peer-reviewed historical work.

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