civics timeline By KynleeF Sep 11, 2001 Terrorist Attacks on the U.S. 19 terrorists from the extremist group al-Qaeda hijacked four commercial airplanes and carried out suicide attacks against targets in the United States. The coordinated attacks killed 2,997 people and caused billions of dollars in damage.
19 terrorists from the extremist group al-Qaeda hijacked four commercial airplanes and carried out suicide attacks against targets in the United States. The coordinated attacks killed 2,997 people and caused billions of dollars in damage.