2001–2021

September 11th & War on terror

The September 11 attacks led to wars overseas, expanded security policies, and major changes in American foreign policy.

Defining Moments

Key Historical Events

2001

September 11th Attacks

September 11th & War on terror

On September 11, 2001, al-Qaeda hijackers used four commercial airliners in coordinated attacks that killed 2,977 victims in New York, Virginia, and Pennsylvania.

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Historic Places

Explore Destinations From This Era

Louisiana Military Museum

Abbeville, LA

An Abbeville museum honoring Louisiana veterans through artifacts, military equipment, and stories spanning the colonial era to the present.

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About This Era

The September 11 attacks led to wars overseas, expanded security policies, and major changes in American foreign policy.

Last updated August 2, 2026

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