September 11 Attacks Trend 2026

The September 11 attacks were a series of coordinated terrorist strikes by al-Qaeda on U.S. soil in 2001, using hijacked planes to target the World Trade Center and the Pentagon. This event reshaped global security policies, spurring the War on Terror and strict anti-terrorism laws. Governments and security agencies benefit by using it to justify enhanced surveillance and military strategies, while historians analyze its impact on international relations.