5 Questions
Which city was the headquarters of the U.S. Department of Defense?
Arlington County
How many terrorists hijacked the planes on September 11, 2001?
19
Which two buildings were targeted in the attacks?
The Pentagon and the World Trade Center
How many people were killed in the September 11 attacks?
3,000
Which flight crashed in rural Pennsylvania?
United Airlines Flight 93
Study Notes
September 11 Attacks
- The headquarters of the U.S. Department of Defense is in Arlington, Virginia, where the Pentagon is located.
Hijacking of Planes
- On September 11, 2001, 19 terrorists hijacked four commercial planes.
Targeted Buildings
- The World Trade Center's Twin Towers were targeted in the attacks.
Casualties
- In the September 11 attacks, nearly 3,000 people were killed.
Crash Site
- United Airlines Flight 93 crashed in rural Pennsylvania, in Shanksville.
Test your knowledge about the September 11 attacks and the events that unfolded on that fateful day. Answer questions about the hijackings, the terrorist group involved, and the impact of the attacks on the United States.
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