9/11

The terrorist attacks of September 11, 2001, killed nearly three thousand Americans, led to two major wars, and redefined the contours of U.S. foreign policy. 

 

CFR continues to examine the legacy of 9/11, and offers selections from its archive of coverage. 

Terrorism and Counterterrorism
Guantanamo Bay: Twenty Years of Counterterrorism and Controversy

by Jonathan Masters

The U.S. military detention center at Guantanamo Bay, Cuba, has generated intense debate for two decades, raising enduring questions about national security, human rights, and justice.
Sep 9, 2022
The U.S. military detention center at Guantanamo Bay, Cuba, has generated intense debate for two decades, raising enduring questions about national security, human rights, and justice.
Sep 9, 2022
How 9/11 Reshaped Foreign Policy
This timeline traces three pivotal years following the September 11th attacks.

Timeline by James McBride Aug 31, 2021

How the Terrorism Threat Changed
CFR’s Bruce Hoffman assesses the successes and failures of the U.S. counterterrorism response after 9/11 and explains how the threat has shifted in the past two decades.

by Bruce Hoffman Aug 12, 2021

The World 9/11 Made
For Project Syndicate, Richard Haass examines the ways in which the 9/11 attacks changed history.

by Richard Haass Sep 10, 2021

Seven Resources Debunking 9/11 Conspiracy Theories
Even as the smoke was still rising from the ruins of the World Trade Center and the Pentagon in September 2001, conspiracy theories sprang up blaming the attacks on anyone but al-Qaeda.

by James M. Lindsay Sep 1, 2021