The September 11 attacks, [f] colloquially known as 9/11, [g] were four coordinated Islamist terrorist suicide attacks by al-Qaeda against the United States in 2001.

Dec 9, 2025 · September 11 attacks, series of airline hijackings and suicide attacks committed in 2001 by 19 militants associated with the Islamic extremist group al-Qaeda against targets in the United …

Feb 17, 2010 · On September 11, 2001, terrorists linked to the Islamic extremist group al Qaeda—founded by Osama bin Laden —hijacked four commercial passenger airplanes and carried …

Sep 10, 2025 · On Tuesday 11 September 2001, suicide attackers seized US passenger jets and crashed them into two New York skyscrapers, killing thousands of people.

They were the most lethal terrorist attacks in history, taking the lives of nearly 3,000 Americans and international citizens and ultimately leading to far-reaching changes in anti-terror...

May 26, 2024 · The September 11, 2001 terrorist attacks were the deadliest ever on U.S. soil, claiming the lives of 2,977 victims and triggering major U.S. policy changes and even war.

On September 11, 2001, nineteen terrorists who were members of al-Qaeda, an Islamist extremist network, hijacked four commercial airplanes. In a coordinated attack, the hijackers intentionally flew …

Sep 11, 2001 · Explore the detailed timeline and profound impact of the 9/11 attacks, a day that transformed U.S. history with unprecedented tragedy and lasting global effects.

The September 11 attacks of 2001, in addition to being a unique act of terrorism, constituted a media event on a scale not seen since the advent of civilian global satellite links. Instant worldwide reaction …

United Airlines flight 175 Hijacked flight 175 seconds before crashing into the South Tower of the World Trade Center in New York City, September 11, 2001; the billowing smoke is from American Airlines …