9/11 Facts / September 11 attacks
September 11 attacks The September 11 attacks were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda on the United States on the morning of Tuesday, September 11, 2001. Date : 11 September 2001 Perpetrator : Al-Qaeda Total number of deaths : 2,996 (2,977 victims + 19 hijackers) Locations : New York City , Arlington County , Stonycreek Township Attack types : Aircraft hijacking , Mass murder , Suicide attack , Terrorism On September 11, 2001, 2,996 people were killed in the terrorist attacks at the World Trade Center in NYC, the Pentagon building in Virginia, and in a plane crash in Pennsylvania. The attack on the World Trade Center on 9/11 resulted in the largest loss of life by a foreign attack on American soil. On any given workday, up to 50,000 employees worked in the WTC twin towers before 9/11. 18 pe...