en.wikipedia.org/wiki/September_11_attacks

The September 11 attacks were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda against the United States on the morning of Tuesday, September 11, 2001.

www.cnn.com/2013/07/27/us/september-11-anniversary-fast-facts/index.html

Sep 3, 2018 ... View the September 11 Fast Facts from CNN and learn more information on the terrorist attacks of September 11, 2001.

www.history.com/topics/21st-century/9-11-attacks

Feb 17, 2010 ... On September 11, 2001, 19 militants associated with the Islamic extremist group al-Qaeda hijacked four airplanes and carried out suicide ...

www.911memorial.org/faq-about-911

For 9/11 Families. A dedicated section for the loved ones of those killed in the 2001 and 1993 attacks. Stay informed and plan your visit. More Information » ...

www.history.com/topics/21st-century/9-11-timeline

On a clear, sunny late summer day in September 2001, Al Qaeda terrorists aboard three hijacked passenger planes carried out coordinated suicide attacks  ...

www.britannica.com/event/September-11-attacks

Sep 11, 2018 ... September 11 attacks, also called 9/11 attacks, series of airline hijackings and suicide attacks committed in 2001 by 19 militants associated ...

www.theatlantic.com/photo/2011/09/911-the-day-of-the-attacks/100143

Sep 8, 2011 ... People hang from the windows of the North Tower of the World Trade Center after a hijacked airliner hit the building September 11, 2001 in ...

911digitalarchive.org

The September 11 Digital Archive uses electronic media to collect, preserve, and present the history of September 11, 2001 and its aftermath. The Archive ...

www.usatoday.com/story/news/politics/2016/09/10/10-things-you-may-have-forgotten-911/90007376

Sep 10, 2016 ... This story originally published in September of 2016. WASHINGTON — Monday marks the anniversary of the terrorist attacks on Sept. 11, 2001 ...