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 …

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...

911.gov is the home of the National 911 Program, which provides federal leadership and coordination in supporting and promoting optimal 9-1-1 services.

Sep 11, 2024 · Five hijackers crash American Airlines Flight 11 into floors 93 through 99 of the North Tower. The 76 passengers and 11 crew members on board and hundreds inside the building die …

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 …

When it took off at 7:59 a.m. on the morning of September 11, it carried only 81 passengers in its 158 seats, along with 11 crew members. It crashed into the North Tower at 8:46 a.m. and was traveling …

Sep 10, 2025 · 9/11: What happened and how many people died in September 11 attacks? A series of events will take place on Thursday in the United States to mark the 24th anniversary of the 9/11 …

The events of 9/11 as they unfolded through actual audio of first responders, air traffic controllers, dispatch personnel, airline employees, pilots, citizens, and terrorists.

“9/11” is shorthand for four coordinated terrorist attacks carried out by al-Qaeda, an Islamist extremist group, that occurred on the morning of September 11, 2001.