September 11

Overview of the September 11 Attacks

• Known as 9/11, these were four coordinated Islamist suicide attacks by al-Qaeda in 2001.
• 19 terrorists hijacked four commercial airliners on the morning of September 11.

Details of the Attacks

• The planes were scheduled to fly from the New England and Mid-Atlantic regions to California.
• Two planes were crashed into the Twin Towers of the World Trade Center in New York City, significant as two of the world's tallest buildings at the time.
• The hijackers aimed the other two flights toward targets near Washington, D.C.

Impact on Key Locations

• American Airlines Flight 77 crashed into the Pentagon, the U.S. Department of Defense's headquarters in Arlington, Virginia.
• United Airlines Flight 93 crashed in rural Pennsylvania after passengers attempted to regain control from the hijackers.

Casualties and Consequences

• Nearly 3,000 people were killed in the attacks.
• The events catalyzed the multi-decade global war on terror initiated by the United States.
• The first impact of the attacks was from American Airlines Flight 11 into the North Tower of the World Trade Center.

Test your knowledge of the tragic events of September 11, 2001, with this quiz. Explore facts about the terrorist attacks, the hijackings, and the impact on the United States.