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.

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 …

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 …

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...

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.

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 …

Dec 4, 2025 · September 11 attacks, series of airline hijackings and suicide attacks committed in 2001 by 19 militants associated with Islamic extremist group al-Qaeda against targets in the …

Sep 11, 2024 · Nearly 3,000 people were killed when al-Qaida hijackers crashed four jetliners into the twin towers, the Pentagon and a field in southwest Pennsylvania on Sept. 11, 2001.

This interactive timeline tracks the events of September 11, 2001, when terrorist hijackers claimed thousands of lives by piloting commercial aircraft into the Pentagon, the World Trade Center, …